/** @license
 *
 * SoundManager 2: JavaScript Sound for the Web
 * ----------------------------------------------
 * http://schillmania.com/projects/soundmanager2/
 *
 * Copyright (c) 2007, Scott Schiller. All rights reserved.
 * Code provided under the BSD License:
 * http://schillmania.com/projects/soundmanager2/license.txt
 *
 * V2.97a.20140901
 */
/*global window, SM2_DEFER, sm2Debugger, console, document, navigator, setTimeout, setInterval, clearInterval, Audio, opera, module, define */
/*jslint regexp: true, sloppy: true, white: true, nomen: true, plusplus: true, todo: true */
/**
 * About this file
 * -------------------------------------------------------------------------------------
 * This is the fully-commented source version of the SoundManager 2 API,
 * recommended for use during development and testing.
 *
 * See soundmanager2-nodebug-jsmin.js for an optimized build (~11KB with gzip.)
 * http://schillmania.com/projects/soundmanager2/doc/getstarted/#basic-inclusion
 * Alternately, serve this file with gzip for 75% compression savings (~30KB over HTTP.)
 *
 * You may notice <d> and </d> comments in this source; these are delimiters for
 * debug blocks which are removed in the -nodebug builds, further optimizing code size.
 *
 * Also, as you may note: Whoa, reliable cross-platform/device audio support is hard! ;)
 */
(function(window, _undefined) {
    "use strict";
    if(!window || !window.document) {
        // Don't cross the [environment] streams. SM2 expects to be running in a browser, not under node.js etc.
        // Additionally, if a browser somehow manages to fail this test, as Egon said: "It would be bad."
        throw new Error('SoundManager requires a browser with window and document objects.');
    }
    var soundManager = null;
    /**
     * The SoundManager constructor.
     *
     * @constructor
     * @param {string} smURL Optional: Path to SWF files
     * @param {string} smID Optional: The ID to use for the SWF container element
     * @this {SoundManager}
     * @return {SoundManager} The new SoundManager instance
     */

    function SoundManager(smURL, smID) {
        /**
         * soundManager configuration options list
         * defines top-level configuration properties to be applied to the soundManager instance (eg. soundManager.flashVersion)
         * to set these properties, use the setup() method - eg., soundManager.setup({url: '/swf/', flashVersion: 9})
         */
        this.setupOptions = {
            'url': (smURL || null), // path (directory) where SoundManager 2 SWFs exist, eg., /path/to/swfs/
            'flashVersion': 8, // flash build to use (8 or 9.) Some API features require 9.
            'debugMode': true, // enable debugging output (console.log() with HTML fallback)
            'debugFlash': false, // enable debugging output inside SWF, troubleshoot Flash/browser issues
            'useConsole': true, // use console.log() if available (otherwise, writes to #soundmanager-debug element)
            'consoleOnly': true, // if console is being used, do not create/write to #soundmanager-debug
            'waitForWindowLoad': false, // force SM2 to wait for window.onload() before trying to call soundManager.onload()
            'bgColor': '#ffffff', // SWF background color. N/A when wmode = 'transparent'
            'useHighPerformance': false, // position:fixed flash movie can help increase js/flash speed, minimize lag
            'flashPollingInterval': null, // msec affecting whileplaying/loading callback frequency. If null, default of 50 msec is used.
            'html5PollingInterval': null, // msec affecting whileplaying() for HTML5 audio, excluding mobile devices. If null, native HTML5 update events are used.
            'flashLoadTimeout': 1000, // msec to wait for flash movie to load before failing (0 = infinity)
            'wmode': null, // flash rendering mode - null, 'transparent', or 'opaque' (last two allow z-index to work)
            'allowScriptAccess': 'always', // for scripting the SWF (object/embed property), 'always' or 'sameDomain'
            'useFlashBlock': false, // *requires flashblock.css, see demos* - allow recovery from flash blockers. Wait indefinitely and apply timeout CSS to SWF, if applicable.
            'useHTML5Audio': true, // use HTML5 Audio() where API is supported (most Safari, Chrome versions), Firefox (no MP3/MP4.) Ideally, transparent vs. Flash API where possible.
            'html5Test': /^(probably|maybe)$/i, // HTML5 Audio() format support test. Use /^probably$/i; if you want to be more conservative.
            'preferFlash': false, // overrides useHTML5audio, will use Flash for MP3/MP4/AAC if present. Potential option if HTML5 playback with these formats is quirky.
            'noSWFCache': false, // if true, appends ?ts={date} to break aggressive SWF caching.
            'idPrefix': 'sound' // if an id is not provided to createSound(), this prefix is used for generated IDs - 'sound0', 'sound1' etc.
        };
        this.defaultOptions = {
            /**
             * the default configuration for sound objects made with createSound() and related methods
             * eg., volume, auto-load behaviour and so forth
             */
            'autoLoad': false, // enable automatic loading (otherwise .load() will be called on demand with .play(), the latter being nicer on bandwidth - if you want to .load yourself, you also can)
            'autoPlay': false, // enable playing of file as soon as possible (much faster if "stream" is true)
            'from': null, // position to start playback within a sound (msec), default = beginning
            'loops': 1, // how many times to repeat the sound (position will wrap around to 0, setPosition() will break out of loop when >0)
            'onid3': null, // callback function for "ID3 data is added/available"
            'onload': null, // callback function for "load finished"
            'whileloading': null, // callback function for "download progress update" (X of Y bytes received)
            'onplay': null, // callback for "play" start
            'onpause': null, // callback for "pause"
            'onresume': null, // callback for "resume" (pause toggle)
            'whileplaying': null, // callback during play (position update)
            'onposition': null, // object containing times and function callbacks for positions of interest
            'onstop': null, // callback for "user stop"
            'onfailure': null, // callback function for when playing fails
            'onfinish': null, // callback function for "sound finished playing"
            'multiShot': true, // let sounds "restart" or layer on top of each other when played multiple times, rather than one-shot/one at a time
            'multiShotEvents': false, // fire multiple sound events (currently onfinish() only) when multiShot is enabled
            'position': null, // offset (milliseconds) to seek to within loaded sound data.
            'pan': 0, // "pan" settings, left-to-right, -100 to 100
            'stream': true, // allows playing before entire file has loaded (recommended)
            'to': null, // position to end playback within a sound (msec), default = end
            'type': null, // MIME-like hint for file pattern / canPlay() tests, eg. audio/mp3
            'usePolicyFile': false, // enable crossdomain.xml request for audio on remote domains (for ID3/waveform access)
            'volume': 100 // self-explanatory. 0-100, the latter being the max.
        };
        this.flash9Options = {
            /**
             * flash 9-only options,
             * merged into defaultOptions if flash 9 is being used
             */
            'isMovieStar': null, // "MovieStar" MPEG4 audio mode. Null (default) = auto detect MP4, AAC etc. based on URL. true = force on, ignore URL
            'usePeakData': false, // enable left/right channel peak (level) data
            'useWaveformData': false, // enable sound spectrum (raw waveform data) - NOTE: May increase CPU load.
            'useEQData': false, // enable sound EQ (frequency spectrum data) - NOTE: May increase CPU load.
            'onbufferchange': null, // callback for "isBuffering" property change
            'ondataerror': null // callback for waveform/eq data access error (flash playing audio in other tabs/domains)
        };
        this.movieStarOptions = {
            /**
             * flash 9.0r115+ MPEG4 audio options,
             * merged into defaultOptions if flash 9+movieStar mode is enabled
             */
            'bufferTime': 3, // seconds of data to buffer before playback begins (null = flash default of 0.1 seconds - if AAC playback is gappy, try increasing.)
            'serverURL': null, // rtmp: FMS or FMIS server to connect to, required when requesting media via RTMP or one of its variants
            'onconnect': null, // rtmp: callback for connection to flash media server
            'duration': null // rtmp: song duration (msec)
        };
        this.audioFormats = {
            /**
             * determines HTML5 support + flash requirements.
             * if no support (via flash and/or HTML5) for a "required" format, SM2 will fail to start.
             * flash fallback is used for MP3 or MP4 if HTML5 can't play it (or if preferFlash = true)
             */
            'mp3': {
                'type': ['audio/mpeg; codecs="mp3"', 'audio/mpeg', 'audio/mp3', 'audio/MPA', 'audio/mpa-robust'],
                'required': true
            },
            'mp4': {
                'related': ['aac', 'm4a', 'm4b'], // additional formats under the MP4 container
                'type': ['audio/mp4; codecs="mp4a.40.2"', 'audio/aac', 'audio/x-m4a', 'audio/MP4A-LATM', 'audio/mpeg4-generic'],
                'required': false
            },
            'ogg': {
                'type': ['audio/ogg; codecs=vorbis'],
                'required': false
            },
            'opus': {
                'type': ['audio/ogg; codecs=opus', 'audio/opus'],
                'required': false
            },
            'wav': {
                'type': ['audio/wav; codecs="1"', 'audio/wav', 'audio/wave', 'audio/x-wav'],
                'required': false
            }
        };
        // HTML attributes (id + class names) for the SWF container
        this.movieID = 'sm2-container';
        this.id = (smID || 'sm2movie');
        this.debugID = 'soundmanager-debug';
        this.debugURLParam = /([#?&])debug=1/i;
        // dynamic attributes
        this.versionNumber = 'V2.97a.20140901';
        this.version = null;
        this.movieURL = null;
        this.altURL = null;
        this.swfLoaded = false;
        this.enabled = false;
        this.oMC = null;
        this.sounds = {};
        this.soundIDs = [];
        this.muted = false;
        this.didFlashBlock = false;
        this.filePattern = null;
        this.filePatterns = {
            'flash8': /\.mp3(\?.*)?$/i,
            'flash9': /\.mp3(\?.*)?$/i
        };
        // support indicators, set at init
        this.features = {
            'buffering': false,
            'peakData': false,
            'waveformData': false,
            'eqData': false,
            'movieStar': false
        };
        // flash sandbox info, used primarily in troubleshooting
        this.sandbox = {
            // <d>
            'type': null,
            'types': {
                'remote': 'remote (domain-based) rules',
                'localWithFile': 'local with file access (no internet access)',
                'localWithNetwork': 'local with network (internet access only, no local access)',
                'localTrusted': 'local, trusted (local+internet access)'
            },
            'description': null,
            'noRemote': null,
            'noLocal': null
            // </d>
        };
        /**
         * format support (html5/flash)
         * stores canPlayType() results based on audioFormats.
         * eg. { mp3: boolean, mp4: boolean }
         * treat as read-only.
         */
        this.html5 = {
            'usingFlash': null // set if/when flash fallback is needed
        };
        // file type support hash
        this.flash = {};
        // determined at init time
        this.html5Only = false;
        // used for special cases (eg. iPad/iPhone/palm OS?)
        this.ignoreFlash = false;
        /**
         * a few private internals (OK, a lot. :D)
         */
        var SMSound,
            sm2 = this,
            globalHTML5Audio = null,
            flash = null,
            sm = 'soundManager',
            smc = sm + ': ',
            h5 = 'HTML5::',
            id, ua = navigator.userAgent,
            wl = window.location.href.toString(),
            doc = document,
            doNothing, setProperties, init, fV, on_queue = [],
            debugOpen = true,
            debugTS, didAppend = false,
            appendSuccess = false,
            didInit = false,
            disabled = false,
            windowLoaded = false,
            _wDS, wdCount = 0,
            initComplete, mixin, assign, extraOptions, addOnEvent, processOnEvents, initUserOnload, delayWaitForEI, waitForEI, rebootIntoHTML5, setVersionInfo, handleFocus, strings, initMovie, preInit, domContentLoaded, winOnLoad, didDCLoaded, getDocument, createMovie, catchError, setPolling, initDebug, debugLevels = ['log', 'info', 'warn', 'error'],
            defaultFlashVersion = 8,
            disableObject, failSafely, normalizeMovieURL, oRemoved = null,
            oRemovedHTML = null,
            str, flashBlockHandler, getSWFCSS, swfCSS, toggleDebug, loopFix, policyFix, complain, idCheck, waitingForEI = false,
            initPending = false,
            startTimer, stopTimer, timerExecute, h5TimerCount = 0,
            h5IntervalTimer = null,
            parseURL, messages = [],
            canIgnoreFlash, needsFlash = null,
            featureCheck, html5OK, html5CanPlay, html5Ext, html5Unload, domContentLoadedIE, testHTML5, event, slice = Array.prototype.slice,
            useGlobalHTML5Audio = false,
            lastGlobalHTML5URL, hasFlash, detectFlash, badSafariFix, html5_events, showSupport, flushMessages, wrapCallback, idCounter = 0,
            is_iDevice = ua.match(/(ipad|iphone|ipod)/i),
            isAndroid = ua.match(/android/i),
            isIE = ua.match(/msie/i),
            isWebkit = ua.match(/webkit/i),
            isSafari = (ua.match(/safari/i) && !ua.match(/chrome/i)),
            isOpera = (ua.match(/opera/i)),
            mobileHTML5 = (ua.match(/(mobile|pre\/|xoom)/i) || is_iDevice || isAndroid),
            isBadSafari = (!wl.match(/usehtml5audio/i) && !wl.match(/sm2\-ignorebadua/i) && isSafari && !ua.match(/silk/i) && ua.match(/OS X 10_6_([3-7])/i)), // Safari 4 and 5 (excluding Kindle Fire, "Silk") occasionally fail to load/play HTML5 audio on Snow Leopard 10.6.3 through 10.6.7 due to bug(s) in QuickTime X and/or other underlying frameworks. :/ Confirmed bug. https://bugs.webkit.org/show_bug.cgi?id=32159
            hasConsole = (window.console !== _undefined && console.log !== _undefined),
            isFocused = (doc.hasFocus !== _undefined ? doc.hasFocus() : null),
            tryInitOnFocus = (isSafari && (doc.hasFocus === _undefined || !doc.hasFocus())),
            okToDisable = !tryInitOnFocus,
            flashMIME = /(mp3|mp4|mpa|m4a|m4b)/i,
            msecScale = 1000,
            emptyURL = 'about:blank', // safe URL to unload, or load nothing from (flash 8 + most HTML5 UAs)
            emptyWAV = 'data:audio/wave;base64,/UklGRiYAAABXQVZFZm10IBAAAAABAAEARKwAAIhYAQACABAAZGF0YQIAAAD//w==', // tiny WAV for HTML5 unloading
            overHTTP = (doc.location ? doc.location.protocol.match(/http/i) : null),
            http = (!overHTTP ? 'http:/' + '/' : ''),
            // mp3, mp4, aac etc.
            netStreamMimeTypes = /^\s*audio\/(?:x-)?(?:mpeg4|aac|flv|mov|mp4||m4v|m4a|m4b|mp4v|3gp|3g2)\s*(?:$|;)/i,
            // Flash v9.0r115+ "moviestar" formats
            netStreamTypes = ['mpeg4', 'aac', 'flv', 'mov', 'mp4', 'm4v', 'f4v', 'm4a', 'm4b', 'mp4v', '3gp', '3g2'],
            netStreamPattern = new RegExp('\\.(' + netStreamTypes.join('|') + ')(\\?.*)?$', 'i');
        this.mimePattern = /^\s*audio\/(?:x-)?(?:mp(?:eg|3))\s*(?:$|;)/i; // default mp3 set
        // use altURL if not "online"
        this.useAltURL = !overHTTP;
        swfCSS = {
            'swfBox': 'sm2-object-box',
            'swfDefault': 'movieContainer',
            'swfError': 'swf_error', // SWF loaded, but SM2 couldn't start (other error)
            'swfTimedout': 'swf_timedout',
            'swfLoaded': 'swf_loaded',
            'swfUnblocked': 'swf_unblocked', // or loaded OK
            'sm2Debug': 'sm2_debug',
            'highPerf': 'high_performance',
            'flashDebug': 'flash_debug'
        };
        /**
         * basic HTML5 Audio() support test
         * try...catch because of IE 9 "not implemented" nonsense
         * https://github.com/Modernizr/Modernizr/issues/224
         */
        this.hasHTML5 = (function() {
            try {
                // new Audio(null) for stupid Opera 9.64 case, which throws not_enough_arguments exception otherwise.
                return(Audio !== _undefined && (isOpera && opera !== _undefined && opera.version() < 10 ? new Audio(null) : new Audio()).canPlayType !== _undefined);
            } catch(e) {
                return false;
            }
        }());
        /**
         * Public SoundManager API
         * -----------------------
         */
        /**
         * Configures top-level soundManager properties.
         *
         * @param {object} options Option parameters, eg. { flashVersion: 9, url: '/path/to/swfs/' }
         * onready and ontimeout are also accepted parameters. call soundManager.setup() to see the full list.
         */
        this.setup = function(options) {
            var noURL = (!sm2.url);
            // warn if flash options have already been applied
            if(options !== _undefined && didInit && needsFlash && sm2.ok() && (options.flashVersion !== _undefined || options.url !== _undefined || options.html5Test !== _undefined)) {
                complain(str('setupLate'));
            }
            // TODO: defer: true?
            assign(options);
            // special case 1: "Late setup". SM2 loaded normally, but user didn't assign flash URL eg., setup({url:...}) before SM2 init. Treat as delayed init.
            if(options) {
                if(noURL && didDCLoaded && options.url !== _undefined) {
                    sm2.beginDelayedInit();
                }
                // special case 2: If lazy-loading SM2 (DOMContentLoaded has already happened) and user calls setup() with url: parameter, try to init ASAP.
                if(!didDCLoaded && options.url !== _undefined && doc.readyState === 'complete') {
                    setTimeout(domContentLoaded, 1);
                }
            }
            return sm2;
        };
        this.ok = function() {
            return(needsFlash ? (didInit && !disabled) : (sm2.useHTML5Audio && sm2.hasHTML5));
        };
        this.supported = this.ok; // legacy
        this.getMovie = function(smID) {
            // safety net: some old browsers differ on SWF references, possibly related to ExternalInterface / flash version
            return id(smID) || doc[smID] || window[smID];
        };
        /**
         * Creates a SMSound sound object instance.
         *
         * @param {object} oOptions Sound options (at minimum, id and url parameters are required.)
         * @return {object} SMSound The new SMSound object.
         */
        this.createSound = function(oOptions, _url) {
            var cs, cs_string, options, oSound = null;
            // <d>
            cs = sm + '.createSound(): ';
            cs_string = cs + str(!didInit ? 'notReady' : 'notOK');
            // </d>
            if(!didInit || !sm2.ok()) {
                complain(cs_string);
                return false;
            }
            if(_url !== _undefined) {
                // function overloading in JS! :) ..assume simple createSound(id, url) use case
                oOptions = {
                    'id': oOptions,
                    'url': _url
                };
            }
            // inherit from defaultOptions
            options = mixin(oOptions);
            options.url = parseURL(options.url);
            // generate an id, if needed.
            if(options.id === undefined) {
                options.id = sm2.setupOptions.idPrefix + (idCounter++);
            }
            // <d>
            if(options.id.toString().charAt(0).match(/^[0-9]$/)) {
                sm2._wD(cs + str('badID', options.id), 2);
            }
            sm2._wD(cs + options.id + (options.url ? ' (' + options.url + ')' : ''), 1);
            // </d>
            if(idCheck(options.id, true)) {
                sm2._wD(cs + options.id + ' exists', 1);
                return sm2.sounds[options.id];
            }

            function make() {
                options = loopFix(options);
                sm2.sounds[options.id] = new SMSound(options);
                sm2.soundIDs.push(options.id);
                return sm2.sounds[options.id];
            }
            if(html5OK(options)) {
                oSound = make();
                sm2._wD(options.id + ': Using HTML5');
                oSound._setup_html5(options);
            } else {
                if(sm2.html5Only) {
                    sm2._wD(options.id + ': No HTML5 support for this sound, and no Flash. Exiting.');
                    return make();
                }
                // TODO: Move HTML5/flash checks into generic URL parsing/handling function.
                if(sm2.html5.usingFlash && options.url && options.url.match(/data\:/i)) {
                    // data: URIs not supported by Flash, either.
                    sm2._wD(options.id + ': data: URIs not supported via Flash. Exiting.');
                    return make();
                }
                if(fV > 8) {
                    if(options.isMovieStar === null) {
                        // attempt to detect MPEG-4 formats
                        options.isMovieStar = !! (options.serverURL || (options.type ? options.type.match(netStreamMimeTypes) : false) || (options.url && options.url.match(netStreamPattern)));
                    }
                    // <d>
                    if(options.isMovieStar) {
                        sm2._wD(cs + 'using MovieStar handling');
                        if(options.loops > 1) {
                            _wDS('noNSLoop');
                        }
                    }
                    // </d>
                }
                options = policyFix(options, cs);
                oSound = make();
                if(fV === 8) {
                    flash._createSound(options.id, options.loops || 1, options.usePolicyFile);
                } else {
                    flash._createSound(options.id, options.url, options.usePeakData, options.useWaveformData, options.useEQData, options.isMovieStar, (options.isMovieStar ? options.bufferTime : false), options.loops || 1, options.serverURL, options.duration || null, options.autoPlay, true, options.autoLoad, options.usePolicyFile);
                    if(!options.serverURL) {
                        // We are connected immediately
                        oSound.connected = true;
                        if(options.onconnect) {
                            options.onconnect.apply(oSound);
                        }
                    }
                }
                if(!options.serverURL && (options.autoLoad || options.autoPlay)) {
                    // call load for non-rtmp streams
                    oSound.load(options);
                }
            }
            // rtmp will play in onconnect
            if(!options.serverURL && options.autoPlay) {
                oSound.play();
            }
            return oSound;
        };
        /**
         * Destroys a SMSound sound object instance.
         *
         * @param {string} sID The ID of the sound to destroy
         */
        this.destroySound = function(sID, _bFromSound) {
            // explicitly destroy a sound before normal page unload, etc.
            if(!idCheck(sID)) {
                return false;
            }
            var oS = sm2.sounds[sID],
                i;
            // Disable all callbacks while the sound is being destroyed
            oS._iO = {};
            oS.stop();
            oS.unload();
            for(i = 0; i < sm2.soundIDs.length; i++) {
                if(sm2.soundIDs[i] === sID) {
                    sm2.soundIDs.splice(i, 1);
                    break;
                }
            }
            if(!_bFromSound) {
                // ignore if being called from SMSound instance
                oS.destruct(true);
            }
            oS = null;
            delete sm2.sounds[sID];
            return true;
        };
        /**
         * Calls the load() method of a SMSound object by ID.
         *
         * @param {string} sID The ID of the sound
         * @param {object} oOptions Optional: Sound options
         */
        this.load = function(sID, oOptions) {
            if(!idCheck(sID)) {
                return false;
            }
            return sm2.sounds[sID].load(oOptions);
        };
        /**
         * Calls the unload() method of a SMSound object by ID.
         *
         * @param {string} sID The ID of the sound
         */
        this.unload = function(sID) {
            if(!idCheck(sID)) {
                return false;
            }
            return sm2.sounds[sID].unload();
        };
        /**
         * Calls the onPosition() method of a SMSound object by ID.
         *
         * @param {string} sID The ID of the sound
         * @param {number} nPosition The position to watch for
         * @param {function} oMethod The relevant callback to fire
         * @param {object} oScope Optional: The scope to apply the callback to
         * @return {SMSound} The SMSound object
         */
        this.onPosition = function(sID, nPosition, oMethod, oScope) {
            if(!idCheck(sID)) {
                return false;
            }
            return sm2.sounds[sID].onposition(nPosition, oMethod, oScope);
        };
        // legacy/backwards-compability: lower-case method name
        this.onposition = this.onPosition;
        /**
         * Calls the clearOnPosition() method of a SMSound object by ID.
         *
         * @param {string} sID The ID of the sound
         * @param {number} nPosition The position to watch for
         * @param {function} oMethod Optional: The relevant callback to fire
         * @return {SMSound} The SMSound object
         */
        this.clearOnPosition = function(sID, nPosition, oMethod) {
            if(!idCheck(sID)) {
                return false;
            }
            return sm2.sounds[sID].clearOnPosition(nPosition, oMethod);
        };
        /**
         * Calls the play() method of a SMSound object by ID.
         *
         * @param {string} sID The ID of the sound
         * @param {object} oOptions Optional: Sound options
         * @return {SMSound} The SMSound object
         */
        this.play = function(sID, oOptions) {
            var result = null,
                // legacy function-overloading use case: play('mySound', '/path/to/some.mp3');
                overloaded = (oOptions && !(oOptions instanceof Object));
            if(!didInit || !sm2.ok()) {
                complain(sm + '.play(): ' + str(!didInit ? 'notReady' : 'notOK'));
                return false;
            }
            if(!idCheck(sID, overloaded)) {
                if(!overloaded) {
                    // no sound found for the given ID. Bail.
                    return false;
                }
                if(overloaded) {
                    oOptions = {
                        url: oOptions
                    };
                }
                if(oOptions && oOptions.url) {
                    // overloading use case, create+play: .play('someID', {url:'/path/to.mp3'});
                    sm2._wD(sm + '.play(): Attempting to create "' + sID + '"', 1);
                    oOptions.id = sID;
                    result = sm2.createSound(oOptions).play();
                }
            } else if(overloaded) {
                // existing sound object case
                oOptions = {
                    url: oOptions
                };
            }
            if(result === null) {
                // default case
                result = sm2.sounds[sID].play(oOptions);
            }
            return result;
        };
        this.start = this.play; // just for convenience
        /**
         * Calls the setPosition() method of a SMSound object by ID.
         *
         * @param {string} sID The ID of the sound
         * @param {number} nMsecOffset Position (milliseconds)
         * @return {SMSound} The SMSound object
         */
        this.setPosition = function(sID, nMsecOffset) {
            if(!idCheck(sID)) {
                return false;
            }
            return sm2.sounds[sID].setPosition(nMsecOffset);
        };
        /**
         * Calls the stop() method of a SMSound object by ID.
         *
         * @param {string} sID The ID of the sound
         * @return {SMSound} The SMSound object
         */
        this.stop = function(sID) {
            if(!idCheck(sID)) {
                return false;
            }
            sm2._wD(sm + '.stop(' + sID + ')', 1);
            return sm2.sounds[sID].stop();
        };
        /**
         * Stops all currently-playing sounds.
         */
        this.stopAll = function() {
            var oSound;
            sm2._wD(sm + '.stopAll()', 1);
            for(oSound in sm2.sounds) {
                if(sm2.sounds.hasOwnProperty(oSound)) {
                    // apply only to sound objects
                    sm2.sounds[oSound].stop();
                }
            }
        };
        /**
         * Calls the pause() method of a SMSound object by ID.
         *
         * @param {string} sID The ID of the sound
         * @return {SMSound} The SMSound object
         */
        this.pause = function(sID) {
            if(!idCheck(sID)) {
                return false;
            }
            return sm2.sounds[sID].pause();
        };
        /**
         * Pauses all currently-playing sounds.
         */
        this.pauseAll = function() {
            var i;
            for(i = sm2.soundIDs.length - 1; i >= 0; i--) {
                sm2.sounds[sm2.soundIDs[i]].pause();
            }
        };
        /**
         * Calls the resume() method of a SMSound object by ID.
         *
         * @param {string} sID The ID of the sound
         * @return {SMSound} The SMSound object
         */
        this.resume = function(sID) {
            if(!idCheck(sID)) {
                return false;
            }
            return sm2.sounds[sID].resume();
        };
        /**
         * Resumes all currently-paused sounds.
         */
        this.resumeAll = function() {
            var i;
            for(i = sm2.soundIDs.length - 1; i >= 0; i--) {
                sm2.sounds[sm2.soundIDs[i]].resume();
            }
        };
        /**
         * Calls the togglePause() method of a SMSound object by ID.
         *
         * @param {string} sID The ID of the sound
         * @return {SMSound} The SMSound object
         */
        this.togglePause = function(sID) {
            if(!idCheck(sID)) {
                return false;
            }
            return sm2.sounds[sID].togglePause();
        };
        /**
         * Calls the setPan() method of a SMSound object by ID.
         *
         * @param {string} sID The ID of the sound
         * @param {number} nPan The pan value (-100 to 100)
         * @return {SMSound} The SMSound object
         */
        this.setPan = function(sID, nPan) {
            if(!idCheck(sID)) {
                return false;
            }
            return sm2.sounds[sID].setPan(nPan);
        };
        /**
         * Calls the setVolume() method of a SMSound object by ID.
         *
         * @param {string} sID The ID of the sound
         * @param {number} nVol The volume value (0 to 100)
         * @return {SMSound} The SMSound object
         */
        this.setVolume = function(sID, nVol) {
            if(!idCheck(sID)) {
                return false;
            }
            return sm2.sounds[sID].setVolume(nVol);
        };
        /**
         * Calls the mute() method of either a single SMSound object by ID, or all sound objects.
         *
         * @param {string} sID Optional: The ID of the sound (if omitted, all sounds will be used.)
         */
        this.mute = function(sID) {
            var i = 0;
            if(sID instanceof String) {
                sID = null;
            }
            if(!sID) {
                sm2._wD(sm + '.mute(): Muting all sounds');
                for(i = sm2.soundIDs.length - 1; i >= 0; i--) {
                    sm2.sounds[sm2.soundIDs[i]].mute();
                }
                sm2.muted = true;
            } else {
                if(!idCheck(sID)) {
                    return false;
                }
                sm2._wD(sm + '.mute(): Muting "' + sID + '"');
                return sm2.sounds[sID].mute();
            }
            return true;
        };
        /**
         * Mutes all sounds.
         */
        this.muteAll = function() {
            sm2.mute();
        };
        /**
         * Calls the unmute() method of either a single SMSound object by ID, or all sound objects.
         *
         * @param {string} sID Optional: The ID of the sound (if omitted, all sounds will be used.)
         */
        this.unmute = function(sID) {
            var i;
            if(sID instanceof String) {
                sID = null;
            }
            if(!sID) {
                sm2._wD(sm + '.unmute(): Unmuting all sounds');
                for(i = sm2.soundIDs.length - 1; i >= 0; i--) {
                    sm2.sounds[sm2.soundIDs[i]].unmute();
                }
                sm2.muted = false;
            } else {
                if(!idCheck(sID)) {
                    return false;
                }
                sm2._wD(sm + '.unmute(): Unmuting "' + sID + '"');
                return sm2.sounds[sID].unmute();
            }
            return true;
        };
        /**
         * Unmutes all sounds.
         */
        this.unmuteAll = function() {
            sm2.unmute();
        };
        /**
         * Calls the toggleMute() method of a SMSound object by ID.
         *
         * @param {string} sID The ID of the sound
         * @return {SMSound} The SMSound object
         */
        this.toggleMute = function(sID) {
            if(!idCheck(sID)) {
                return false;
            }
            return sm2.sounds[sID].toggleMute();
        };
        /**
         * Retrieves the memory used by the flash plugin.
         *
         * @return {number} The amount of memory in use
         */
        this.getMemoryUse = function() {
            // flash-only
            var ram = 0;
            if(flash && fV !== 8) {
                ram = parseInt(flash._getMemoryUse(), 10);
            }
            return ram;
        };
        /**
         * Undocumented: NOPs soundManager and all SMSound objects.
         */
        this.disable = function(bNoDisable) {
            // destroy all functions
            var i;
            if(bNoDisable === _undefined) {
                bNoDisable = false;
            }
            if(disabled) {
                return false;
            }
            disabled = true;
            _wDS('shutdown', 1);
            for(i = sm2.soundIDs.length - 1; i >= 0; i--) {
                disableObject(sm2.sounds[sm2.soundIDs[i]]);
            }
            // fire "complete", despite fail
            initComplete(bNoDisable);
            event.remove(window, 'load', initUserOnload);
            return true;
        };
        /**
         * Determines playability of a MIME type, eg. 'audio/mp3'.
         */
        this.canPlayMIME = function(sMIME) {
            var result;
            if(sm2.hasHTML5) {
                result = html5CanPlay({
                    type: sMIME
                });
            }
            if(!result && needsFlash) {
                // if flash 9, test netStream (movieStar) types as well.
                result = (sMIME && sm2.ok() ? !! ((fV > 8 ? sMIME.match(netStreamMimeTypes) : null) || sMIME.match(sm2.mimePattern)) : null); // TODO: make less "weird" (per JSLint)
            }
            return result;
        };
        /**
         * Determines playability of a URL based on audio support.
         *
         * @param {string} sURL The URL to test
         * @return {boolean} URL playability
         */
        this.canPlayURL = function(sURL) {
            var result;
            if(sm2.hasHTML5) {
                result = html5CanPlay({
                    url: sURL
                });
            }
            if(!result && needsFlash) {
                result = (sURL && sm2.ok() ? !! (sURL.match(sm2.filePattern)) : null);
            }
            return result;
        };
        /**
         * Determines playability of an HTML DOM &lt;a&gt; object (or similar object literal) based on audio support.
         *
         * @param {object} oLink an HTML DOM &lt;a&gt; object or object literal including href and/or type attributes
         * @return {boolean} URL playability
         */
        this.canPlayLink = function(oLink) {
            if(oLink.type !== _undefined && oLink.type) {
                if(sm2.canPlayMIME(oLink.type)) {
                    return true;
                }
            }
            return sm2.canPlayURL(oLink.href);
        };
        /**
         * Retrieves a SMSound object by ID.
         *
         * @param {string} sID The ID of the sound
         * @return {SMSound} The SMSound object
         */
        this.getSoundById = function(sID, _suppressDebug) {
            if(!sID) {
                return null;
            }
            var result = sm2.sounds[sID];
            // <d>
            if(!result && !_suppressDebug) {
                sm2._wD(sm + '.getSoundById(): Sound "' + sID + '" not found.', 2);
            }
            // </d>
            return result;
        };
        /**
         * Queues a callback for execution when SoundManager has successfully initialized.
         *
         * @param {function} oMethod The callback method to fire
         * @param {object} oScope Optional: The scope to apply to the callback
         */
        this.onready = function(oMethod, oScope) {
            var sType = 'onready',
                result = false;
            if(typeof oMethod === 'function') {
                // <d>
                if(didInit) {
                    sm2._wD(str('queue', sType));
                }
                // </d>
                if(!oScope) {
                    oScope = window;
                }
                addOnEvent(sType, oMethod, oScope);
                processOnEvents();
                result = true;
            } else {
                throw str('needFunction', sType);
            }
            return result;
        };
        /**
         * Queues a callback for execution when SoundManager has failed to initialize.
         *
         * @param {function} oMethod The callback method to fire
         * @param {object} oScope Optional: The scope to apply to the callback
         */
        this.ontimeout = function(oMethod, oScope) {
            var sType = 'ontimeout',
                result = false;
            if(typeof oMethod === 'function') {
                // <d>
                if(didInit) {
                    sm2._wD(str('queue', sType));
                }
                // </d>
                if(!oScope) {
                    oScope = window;
                }
                addOnEvent(sType, oMethod, oScope);
                processOnEvents({
                    type: sType
                });
                result = true;
            } else {
                throw str('needFunction', sType);
            }
            return result;
        };
        /**
         * Writes console.log()-style debug output to a console or in-browser element.
         * Applies when debugMode = true
         *
         * @param {string} sText The console message
         * @param {object} nType Optional log level (number), or object. Number case: Log type/style where 0 = 'info', 1 = 'warn', 2 = 'error'. Object case: Object to be dumped.
         */
        this._writeDebug = function(sText, sTypeOrObject) {
            // pseudo-private console.log()-style output
            // <d>
            var sDID = 'soundmanager-debug',
                o, oItem;
            if(!sm2.debugMode) {
                return false;
            }
            if(hasConsole && sm2.useConsole) {
                if(sTypeOrObject && typeof sTypeOrObject === 'object') {
                    // object passed; dump to console.
                    console.log(sText, sTypeOrObject);
                } else if(debugLevels[sTypeOrObject] !== _undefined) {
                    console[debugLevels[sTypeOrObject]](sText);
                } else {
                    console.log(sText);
                }
                if(sm2.consoleOnly) {
                    return true;
                }
            }
            o = id(sDID);
            if(!o) {
                return false;
            }
            oItem = doc.createElement('div');
            if(++wdCount % 2 === 0) {
                oItem.className = 'sm2-alt';
            }
            if(sTypeOrObject === _undefined) {
                sTypeOrObject = 0;
            } else {
                sTypeOrObject = parseInt(sTypeOrObject, 10);
            }
            oItem.appendChild(doc.createTextNode(sText));
            if(sTypeOrObject) {
                if(sTypeOrObject >= 2) {
                    oItem.style.fontWeight = 'bold';
                }
                if(sTypeOrObject === 3) {
                    oItem.style.color = '#ff3333';
                }
            }
            // top-to-bottom
            // o.appendChild(oItem);
            // bottom-to-top
            o.insertBefore(oItem, o.firstChild);
            o = null;
            // </d>
            return true;
        };
        // <d>
        // last-resort debugging option
        if(wl.indexOf('sm2-debug=alert') !== -1) {
            this._writeDebug = function(sText) {
                window.alert(sText);
            };
        }
        // </d>
        // alias
        this._wD = this._writeDebug;
        /**
         * Provides debug / state information on all SMSound objects.
         */
        this._debug = function() {
            // <d>
            var i, j;
            _wDS('currentObj', 1);
            for(i = 0, j = sm2.soundIDs.length; i < j; i++) {
                sm2.sounds[sm2.soundIDs[i]]._debug();
            }
            // </d>
        };
        /**
         * Restarts and re-initializes the SoundManager instance.
         *
         * @param {boolean} resetEvents Optional: When true, removes all registered onready and ontimeout event callbacks.
         * @param {boolean} excludeInit Options: When true, does not call beginDelayedInit() (which would restart SM2).
         * @return {object} soundManager The soundManager instance.
         */
        this.reboot = function(resetEvents, excludeInit) {
            // reset some (or all) state, and re-init unless otherwise specified.
            // <d>
            if(sm2.soundIDs.length) {
                sm2._wD('Destroying ' + sm2.soundIDs.length + ' SMSound object' + (sm2.soundIDs.length !== 1 ? 's' : '') + '...');
            }
            // </d>
            var i, j, k;
            for(i = sm2.soundIDs.length - 1; i >= 0; i--) {
                sm2.sounds[sm2.soundIDs[i]].destruct();
            }
            // trash ze flash (remove from the DOM)
            if(flash) {
                try {
                    if(isIE) {
                        oRemovedHTML = flash.innerHTML;
                    }
                    oRemoved = flash.parentNode.removeChild(flash);
                } catch(e) {
                    // Remove failed? May be due to flash blockers silently removing the SWF object/embed node from the DOM. Warn and continue.
                    _wDS('badRemove', 2);
                }
            }
            // actually, force recreate of movie.
            oRemovedHTML = oRemoved = needsFlash = flash = null;
            sm2.enabled = didDCLoaded = didInit = waitingForEI = initPending = didAppend = appendSuccess = disabled = useGlobalHTML5Audio = sm2.swfLoaded = false;
            sm2.soundIDs = [];
            sm2.sounds = {};
            idCounter = 0;
            if(!resetEvents) {
                // reset callbacks for onready, ontimeout etc. so that they will fire again on re-init
                for(i in on_queue) {
                    if(on_queue.hasOwnProperty(i)) {
                        for(j = 0, k = on_queue[i].length; j < k; j++) {
                            on_queue[i][j].fired = false;
                        }
                    }
                }
            } else {
                // remove all callbacks entirely
                on_queue = [];
            }
            // <d>
            if(!excludeInit) {
                sm2._wD(sm + ': Rebooting...');
            }
            // </d>
            // reset HTML5 and flash canPlay test results
            sm2.html5 = {
                'usingFlash': null
            };
            sm2.flash = {};
            // reset device-specific HTML/flash mode switches
            sm2.html5Only = false;
            sm2.ignoreFlash = false;
            window.setTimeout(function() {
                preInit();
                // by default, re-init
                if(!excludeInit) {
                    sm2.beginDelayedInit();
                }
            }, 20);
            return sm2;
        };
        this.reset = function() {
            /**
             * Shuts down and restores the SoundManager instance to its original loaded state, without an explicit reboot. All onready/ontimeout handlers are removed.
             * After this call, SM2 may be re-initialized via soundManager.beginDelayedInit().
             * @return {object} soundManager The soundManager instance.
             */
            _wDS('reset');
            return sm2.reboot(true, true);
        };
        /**
         * Undocumented: Determines the SM2 flash movie's load progress.
         *
         * @return {number or null} Percent loaded, or if invalid/unsupported, null.
         */
        this.getMoviePercent = function() {
            /**
             * Interesting syntax notes...
             * Flash/ExternalInterface (ActiveX/NPAPI) bridge methods are not typeof "function" nor instanceof Function, but are still valid.
             * Additionally, JSLint dislikes ('PercentLoaded' in flash)-style syntax and recommends hasOwnProperty(), which does not work in this case.
             * Furthermore, using (flash && flash.PercentLoaded) causes IE to throw "object doesn't support this property or method".
             * Thus, 'in' syntax must be used.
             */
            return(flash && 'PercentLoaded' in flash ? flash.PercentLoaded() : null); // Yes, JSLint. See nearby comment in source for explanation.
        };
        /**
         * Additional helper for manually invoking SM2's init process after DOM Ready / window.onload().
         */
        this.beginDelayedInit = function() {
            windowLoaded = true;
            domContentLoaded();
            setTimeout(function() {
                if(initPending) {
                    return false;
                }
                createMovie();
                initMovie();
                initPending = true;
                return true;
            }, 20);
            delayWaitForEI();
        };
        /**
         * Destroys the SoundManager instance and all SMSound instances.
         */
        this.destruct = function() {
            sm2._wD(sm + '.destruct()');
            sm2.disable(true);
        };
        /**
         * SMSound() (sound object) constructor
         * ------------------------------------
         *
         * @param {object} oOptions Sound options (id and url are required attributes)
         * @return {SMSound} The new SMSound object
         */
        SMSound = function(oOptions) {
            var s = this,
                resetProperties, add_html5_events, remove_html5_events, stop_html5_timer, start_html5_timer, attachOnPosition, onplay_called = false,
                onPositionItems = [],
                onPositionFired = 0,
                detachOnPosition, applyFromTo, lastURL = null,
                lastHTML5State, urlOmitted;
            lastHTML5State = {
                // tracks duration + position (time)
                duration: null,
                time: null
            };
            this.id = oOptions.id;
            // legacy
            this.sID = this.id;
            this.url = oOptions.url;
            this.options = mixin(oOptions);
            // per-play-instance-specific options
            this.instanceOptions = this.options;
            // short alias
            this._iO = this.instanceOptions;
            // assign property defaults
            this.pan = this.options.pan;
            this.volume = this.options.volume;
            // whether or not this object is using HTML5
            this.isHTML5 = false;
            // internal HTML5 Audio() object reference
            this._a = null;
            // for flash 8 special-case createSound() without url, followed by load/play with url case
            urlOmitted = (this.url ? false : true);
            /**
             * SMSound() public methods
             * ------------------------
             */
            this.id3 = {};
            /**
             * Writes SMSound object parameters to debug console
             */
            this._debug = function() {
                // <d>
                sm2._wD(s.id + ': Merged options:', s.options);
                // </d>
            };
            /**
             * Begins loading a sound per its *url*.
             *
             * @param {object} oOptions Optional: Sound options
             * @return {SMSound} The SMSound object
             */
            this.load = function(oOptions) {
                var oSound = null,
                    instanceOptions;
                if(oOptions !== _undefined) {
                    s._iO = mixin(oOptions, s.options);
                } else {
                    oOptions = s.options;
                    s._iO = oOptions;
                    if(lastURL && lastURL !== s.url) {
                        _wDS('manURL');
                        s._iO.url = s.url;
                        s.url = null;
                    }
                }
                if(!s._iO.url) {
                    s._iO.url = s.url;
                }
                s._iO.url = parseURL(s._iO.url);
                // ensure we're in sync
                s.instanceOptions = s._iO;
                // local shortcut
                instanceOptions = s._iO;
                sm2._wD(s.id + ': load (' + instanceOptions.url + ')');
                if(!instanceOptions.url && !s.url) {
                    sm2._wD(s.id + ': load(): url is unassigned. Exiting.', 2);
                    return s;
                }
                // <d>
                if(!s.isHTML5 && fV === 8 && !s.url && !instanceOptions.autoPlay) {
                    // flash 8 load() -> play() won't work before onload has fired.
                    sm2._wD(s.id + ': Flash 8 load() limitation: Wait for onload() before calling play().', 1);
                }
                // </d>
                if(instanceOptions.url === s.url && s.readyState !== 0 && s.readyState !== 2) {
                    _wDS('onURL', 1);
                    // if loaded and an onload() exists, fire immediately.
                    if(s.readyState === 3 && instanceOptions.onload) {
                        // assume success based on truthy duration.
                        wrapCallback(s, function() {
                            instanceOptions.onload.apply(s, [( !! s.duration)]);
                        });
                    }
                    return s;
                }
                // reset a few state properties
                s.loaded = false;
                s.readyState = 1;
                s.playState = 0;
                s.id3 = {};
                // TODO: If switching from HTML5 -> flash (or vice versa), stop currently-playing audio.
                if(html5OK(instanceOptions)) {
                    oSound = s._setup_html5(instanceOptions);
                    if(!oSound._called_load) {
                        s._html5_canplay = false;
                        // TODO: review called_load / html5_canplay logic
                        // if url provided directly to load(), assign it here.
                        if(s.url !== instanceOptions.url) {
                            sm2._wD(_wDS('manURL') + ': ' + instanceOptions.url);
                            s._a.src = instanceOptions.url;
                            // TODO: review / re-apply all relevant options (volume, loop, onposition etc.)
                            // reset position for new URL
                            s.setPosition(0);
                        }
                        // given explicit load call, try to preload.
                        // early HTML5 implementation (non-standard)
                        s._a.autobuffer = 'auto';
                        // standard property, values: none / metadata / auto
                        // reference: http://msdn.microsoft.com/en-us/library/ie/ff974759%28v=vs.85%29.aspx
                        s._a.preload = 'auto';
                        s._a._called_load = true;
                    } else {
                        sm2._wD(s.id + ': Ignoring request to load again');
                    }
                } else {
                    if(sm2.html5Only) {
                        sm2._wD(s.id + ': No flash support. Exiting.');
                        return s;
                    }
                    if(s._iO.url && s._iO.url.match(/data\:/i)) {
                        // data: URIs not supported by Flash, either.
                        sm2._wD(s.id + ': data: URIs not supported via Flash. Exiting.');
                        return s;
                    }
                    try {
                        s.isHTML5 = false;
                        s._iO = policyFix(loopFix(instanceOptions));
                        // if we have "position", disable auto-play as we'll be seeking to that position at onload().
                        if(s._iO.autoPlay && (s._iO.position || s._iO.from)) {
                            sm2._wD(s.id + ': Disabling autoPlay because of non-zero offset case');
                            s._iO.autoPlay = false;
                        }
                        // re-assign local shortcut
                        instanceOptions = s._iO;
                        if(fV === 8) {
                            flash._load(s.id, instanceOptions.url, instanceOptions.stream, instanceOptions.autoPlay, instanceOptions.usePolicyFile);
                        } else {
                            flash._load(s.id, instanceOptions.url, !! (instanceOptions.stream), !! (instanceOptions.autoPlay), instanceOptions.loops || 1, !! (instanceOptions.autoLoad), instanceOptions.usePolicyFile);
                        }
                    } catch(e) {
                        _wDS('smError', 2);
                        debugTS('onload', false);
                        catchError({
                            type: 'SMSOUND_LOAD_JS_EXCEPTION',
                            fatal: true
                        });
                    }
                }
                // after all of this, ensure sound url is up to date.
                s.url = instanceOptions.url;
                return s;
            };
            /**
             * Unloads a sound, canceling any open HTTP requests.
             *
             * @return {SMSound} The SMSound object
             */
            this.unload = function() {
                // Flash 8/AS2 can't "close" a stream - fake it by loading an empty URL
                // Flash 9/AS3: Close stream, preventing further load
                // HTML5: Most UAs will use empty URL
                if(s.readyState !== 0) {
                    sm2._wD(s.id + ': unload()');
                    if(!s.isHTML5) {
                        if(fV === 8) {
                            flash._unload(s.id, emptyURL);
                        } else {
                            flash._unload(s.id);
                        }
                    } else {
                        stop_html5_timer();
                        if(s._a) {
                            s._a.pause();
                            // update empty URL, too
                            lastURL = html5Unload(s._a);
                        }
                    }
                    // reset load/status flags
                    resetProperties();
                }
                return s;
            };
            /**
             * Unloads and destroys a sound.
             */
            this.destruct = function(_bFromSM) {
                sm2._wD(s.id + ': Destruct');
                if(!s.isHTML5) {
                    // kill sound within Flash
                    // Disable the onfailure handler
                    s._iO.onfailure = null;
                    flash._destroySound(s.id);
                } else {
                    stop_html5_timer();
                    if(s._a) {
                        s._a.pause();
                        html5Unload(s._a);
                        if(!useGlobalHTML5Audio) {
                            remove_html5_events();
                        }
                        // break obvious circular reference
                        s._a._s = null;
                        s._a = null;
                    }
                }
                if(!_bFromSM) {
                    // ensure deletion from controller
                    sm2.destroySound(s.id, true);
                }
            };
            /**
             * Begins playing a sound.
             *
             * @param {object} oOptions Optional: Sound options
             * @return {SMSound} The SMSound object
             */
            this.play = function(oOptions, _updatePlayState) {
                var fN, allowMulti, a, onready,
                    audioClone, onended, oncanplay,
                    startOK = true,
                    exit = null;
                // <d>
                fN = s.id + ': play(): ';
                // </d>
                // default to true
                _updatePlayState = (_updatePlayState === _undefined ? true : _updatePlayState);
                if(!oOptions) {
                    oOptions = {};
                }
                // first, use local URL (if specified)
                if(s.url) {
                    s._iO.url = s.url;
                }
                // mix in any options defined at createSound()
                s._iO = mixin(s._iO, s.options);
                // mix in any options specific to this method
                s._iO = mixin(oOptions, s._iO);
                s._iO.url = parseURL(s._iO.url);
                s.instanceOptions = s._iO;
                // RTMP-only
                if(!s.isHTML5 && s._iO.serverURL && !s.connected) {
                    if(!s.getAutoPlay()) {
                        sm2._wD(fN + ' Netstream not connected yet - setting autoPlay');
                        s.setAutoPlay(true);
                    }
                    // play will be called in onconnect()
                    return s;
                }
                if(html5OK(s._iO)) {
                    s._setup_html5(s._iO);
                    start_html5_timer();
                }
                if(s.playState === 1 && !s.paused) {
                    allowMulti = s._iO.multiShot;
                    if(!allowMulti) {
                        sm2._wD(fN + 'Already playing (one-shot)', 1);
                        if(s.isHTML5) {
                            // go back to original position.
                            s.setPosition(s._iO.position);
                        }
                        exit = s;
                    } else {
                        sm2._wD(fN + 'Already playing (multi-shot)', 1);
                    }
                }
                if(exit !== null) {
                    return exit;
                }
                // edge case: play() with explicit URL parameter
                if(oOptions.url && oOptions.url !== s.url) {
                    // special case for createSound() followed by load() / play() with url; avoid double-load case.
                    if(!s.readyState && !s.isHTML5 && fV === 8 && urlOmitted) {
                        urlOmitted = false;
                    } else {
                        // load using merged options
                        s.load(s._iO);
                    }
                }
                if(!s.loaded) {
                    if(s.readyState === 0) {
                        sm2._wD(fN + 'Attempting to load');
                        // try to get this sound playing ASAP
                        if(!s.isHTML5 && !sm2.html5Only) {
                            // flash: assign directly because setAutoPlay() increments the instanceCount
                            s._iO.autoPlay = true;
                            s.load(s._iO);
                        } else if(s.isHTML5) {
                            // iOS needs this when recycling sounds, loading a new URL on an existing object.
                            s.load(s._iO);
                        } else {
                            sm2._wD(fN + 'Unsupported type. Exiting.');
                            exit = s;
                        }
                        // HTML5 hack - re-set instanceOptions?
                        s.instanceOptions = s._iO;
                    } else if(s.readyState === 2) {
                        sm2._wD(fN + 'Could not load - exiting', 2);
                        exit = s;
                    } else {
                        sm2._wD(fN + 'Loading - attempting to play...');
                    }
                } else {
                    // "play()"
                    sm2._wD(fN.substr(0, fN.lastIndexOf(':')));
                }
                if(exit !== null) {
                    return exit;
                }
                if(!s.isHTML5 && fV === 9 && s.position > 0 && s.position === s.duration) {
                    // flash 9 needs a position reset if play() is called while at the end of a sound.
                    sm2._wD(fN + 'Sound at end, resetting to position:0');
                    oOptions.position = 0;
                }
                /**
                 * Streams will pause when their buffer is full if they are being loaded.
                 * In this case paused is true, but the song hasn't started playing yet.
                 * If we just call resume() the onplay() callback will never be called.
                 * So only call resume() if the position is > 0.
                 * Another reason is because options like volume won't have been applied yet.
                 * For normal sounds, just resume.
                 */
                if(s.paused && s.position >= 0 && (!s._iO.serverURL || s.position > 0)) {
                    // https://gist.github.com/37b17df75cc4d7a90bf6
                    sm2._wD(fN + 'Resuming from paused state', 1);
                    s.resume();
                } else {
                    s._iO = mixin(oOptions, s._iO);
                    /**
                     * Preload in the event of play() with position under Flash,
                     * or from/to parameters and non-RTMP case
                     */
                    if(((!s.isHTML5 && s._iO.position !== null && s._iO.position > 0) || (s._iO.from !== null && s._iO.from > 0) || s._iO.to !== null) && s.instanceCount === 0 && s.playState === 0 && !s._iO.serverURL) {
                        onready = function() {
                            // sound "canplay" or onload()
                            // re-apply position/from/to to instance options, and start playback
                            s._iO = mixin(oOptions, s._iO);
                            s.play(s._iO);
                        };
                        // HTML5 needs to at least have "canplay" fired before seeking.
                        if(s.isHTML5 && !s._html5_canplay) {
                            // this hasn't been loaded yet. load it first, and then do this again.
                            sm2._wD(fN + 'Beginning load for non-zero offset case');
                            s.load({
                                // note: custom HTML5-only event added for from/to implementation.
                                _oncanplay: onready
                            });
                            exit = false;
                        } else if(!s.isHTML5 && !s.loaded && (!s.readyState || s.readyState !== 2)) {
                            // to be safe, preload the whole thing in Flash.
                            sm2._wD(fN + 'Preloading for non-zero offset case');
                            s.load({
                                onload: onready
                            });
                            exit = false;
                        }
                        if(exit !== null) {
                            return exit;
                        }
                        // otherwise, we're ready to go. re-apply local options, and continue
                        s._iO = applyFromTo();
                    }
                    // sm2._wD(fN + 'Starting to play');
                    // increment instance counter, where enabled + supported
                    if(!s.instanceCount || s._iO.multiShotEvents || (s.isHTML5 && s._iO.multiShot && !useGlobalHTML5Audio) || (!s.isHTML5 && fV > 8 && !s.getAutoPlay())) {
                        s.instanceCount++;
                    }
                    // if first play and onposition parameters exist, apply them now
                    if(s._iO.onposition && s.playState === 0) {
                        attachOnPosition(s);
                    }
                    s.playState = 1;
                    s.paused = false;
                    s.position = (s._iO.position !== _undefined && !isNaN(s._iO.position) ? s._iO.position : 0);
                    if(!s.isHTML5) {
                        s._iO = policyFix(loopFix(s._iO));
                    }
                    if(s._iO.onplay && _updatePlayState) {
                        s._iO.onplay.apply(s);
                        onplay_called = true;
                    }
                    s.setVolume(s._iO.volume, true);
                    s.setPan(s._iO.pan, true);
                    if(!s.isHTML5) {
                        startOK = flash._start(s.id, s._iO.loops || 1, (fV === 9 ? s.position : s.position / msecScale), s._iO.multiShot || false);
                        if(fV === 9 && !startOK) {
                            // edge case: no sound hardware, or 32-channel flash ceiling hit.
                            // applies only to Flash 9, non-NetStream/MovieStar sounds.
                            // http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/media/Sound.html#play%28%29
                            sm2._wD(fN + 'No sound hardware, or 32-sound ceiling hit', 2);
                            if(s._iO.onplayerror) {
                                s._iO.onplayerror.apply(s);
                            }
                        }
                    } else {
                        if(s.instanceCount < 2) {
                            // HTML5 single-instance case
                            start_html5_timer();
                            a = s._setup_html5();
                            s.setPosition(s._iO.position);
                            a.play();
                        } else {
                            // HTML5 multi-shot case
                            sm2._wD(s.id + ': Cloning Audio() for instance #' + s.instanceCount + '...');
                            audioClone = new Audio(s._iO.url);
                            onended = function() {
                                event.remove(audioClone, 'ended', onended);
                                s._onfinish(s);
                                // cleanup
                                html5Unload(audioClone);
                                audioClone = null;
                            };
                            oncanplay = function() {
                                event.remove(audioClone, 'canplay', oncanplay);
                                try {
                                    audioClone.currentTime = s._iO.position / msecScale;
                                } catch(err) {
                                    complain(s.id + ': multiShot play() failed to apply position of ' + (s._iO.position / msecScale));
                                }
                                audioClone.play();
                            };
                            event.add(audioClone, 'ended', onended);
                            // apply volume to clones, too
                            if(s._iO.volume !== undefined) {
                                audioClone.volume = Math.max(0, Math.min(1, s._iO.volume / 100));
                            }
                            // playing multiple muted sounds? if you do this, you're weird ;) - but let's cover it.
                            if(s.muted) {
                                audioClone.muted = true;
                            }
                            if(s._iO.position) {
                                // HTML5 audio can't seek before onplay() event has fired.
                                // wait for canplay, then seek to position and start playback.
                                event.add(audioClone, 'canplay', oncanplay);
                            } else {
                                // begin playback at currentTime: 0
                                audioClone.play();
                            }
                        }
                    }
                }
                return s;
            };
            // just for convenience
            this.start = this.play;
            /**
             * Stops playing a sound (and optionally, all sounds)
             *
             * @param {boolean} bAll Optional: Whether to stop all sounds
             * @return {SMSound} The SMSound object
             */
            this.stop = function(bAll) {
                var instanceOptions = s._iO,
                    originalPosition;
                if(s.playState === 1) {
                    sm2._wD(s.id + ': stop()');
                    s._onbufferchange(0);
                    s._resetOnPosition(0);
                    s.paused = false;
                    if(!s.isHTML5) {
                        s.playState = 0;
                    }
                    // remove onPosition listeners, if any
                    detachOnPosition();
                    // and "to" position, if set
                    if(instanceOptions.to) {
                        s.clearOnPosition(instanceOptions.to);
                    }
                    if(!s.isHTML5) {
                        flash._stop(s.id, bAll);
                        // hack for netStream: just unload
                        if(instanceOptions.serverURL) {
                            s.unload();
                        }
                    } else {
                        if(s._a) {
                            originalPosition = s.position;
                            // act like Flash, though
                            s.setPosition(0);
                            // hack: reflect old position for onstop() (also like Flash)
                            s.position = originalPosition;
                            // html5 has no stop()
                            // NOTE: pausing means iOS requires interaction to resume.
                            s._a.pause();
                            s.playState = 0;
                            // and update UI
                            s._onTimer();
                            stop_html5_timer();
                        }
                    }
                    s.instanceCount = 0;
                    s._iO = {};
                    if(instanceOptions.onstop) {
                        instanceOptions.onstop.apply(s);
                    }
                }
                return s;
            };
            /**
             * Undocumented/internal: Sets autoPlay for RTMP.
             *
             * @param {boolean} autoPlay state
             */
            this.setAutoPlay = function(autoPlay) {
                sm2._wD(s.id + ': Autoplay turned ' + (autoPlay ? 'on' : 'off'));
                s._iO.autoPlay = autoPlay;
                if(!s.isHTML5) {
                    flash._setAutoPlay(s.id, autoPlay);
                    if(autoPlay) {
                        // only increment the instanceCount if the sound isn't loaded (TODO: verify RTMP)
                        if(!s.instanceCount && s.readyState === 1) {
                            s.instanceCount++;
                            sm2._wD(s.id + ': Incremented instance count to ' + s.instanceCount);
                        }
                    }
                }
            };
            /**
             * Undocumented/internal: Returns the autoPlay boolean.
             *
             * @return {boolean} The current autoPlay value
             */
            this.getAutoPlay = function() {
                return s._iO.autoPlay;
            };
            /**
             * Sets the position of a sound.
             *
             * @param {number} nMsecOffset Position (milliseconds)
             * @return {SMSound} The SMSound object
             */
            this.setPosition = function(nMsecOffset) {
                if(nMsecOffset === _undefined) {
                    nMsecOffset = 0;
                }
                var position, position1K,
                    // Use the duration from the instance options, if we don't have a track duration yet.
                    // position >= 0 and <= current available (loaded) duration
                    offset = (s.isHTML5 ? Math.max(nMsecOffset, 0) : Math.min(s.duration || s._iO.duration, Math.max(nMsecOffset, 0)));
                s.position = offset;
                position1K = s.position / msecScale;
                s._resetOnPosition(s.position);
                s._iO.position = offset;
                if(!s.isHTML5) {
                    position = (fV === 9 ? s.position : position1K);
                    if(s.readyState && s.readyState !== 2) {
                        // if paused or not playing, will not resume (by playing)
                        flash._setPosition(s.id, position, (s.paused || !s.playState), s._iO.multiShot);
                    }
                } else if(s._a) {
                    // Set the position in the canplay handler if the sound is not ready yet
                    if(s._html5_canplay) {
                        if(s._a.currentTime !== position1K) {
                            /**
                             * DOM/JS errors/exceptions to watch out for:
                             * if seek is beyond (loaded?) position, "DOM exception 11"
                             * "INDEX_SIZE_ERR": DOM exception 1
                             */
                            sm2._wD(s.id + ': setPosition(' + position1K + ')');
                            try {
                                s._a.currentTime = position1K;
                                if(s.playState === 0 || s.paused) {
                                    // allow seek without auto-play/resume
                                    s._a.pause();
                                }
                            } catch(e) {
                                sm2._wD(s.id + ': setPosition(' + position1K + ') failed: ' + e.message, 2);
                            }
                        }
                    } else if(position1K) {
                        // warn on non-zero seek attempts
                        sm2._wD(s.id + ': setPosition(' + position1K + '): Cannot seek yet, sound not ready', 2);
                        return s;
                    }
                    if(s.paused) {
                        // if paused, refresh UI right away
                        // force update
                        s._onTimer(true);
                    }
                }
                return s;
            };
            /**
             * Pauses sound playback.
             *
             * @return {SMSound} The SMSound object
             */
            this.pause = function(_bCallFlash) {
                if(s.paused || (s.playState === 0 && s.readyState !== 1)) {
                    return s;
                }
                sm2._wD(s.id + ': pause()');
                s.paused = true;
                if(!s.isHTML5) {
                    if(_bCallFlash || _bCallFlash === _undefined) {
                        flash._pause(s.id, s._iO.multiShot);
                    }
                } else {
                    s._setup_html5().pause();
                    stop_html5_timer();
                }
                if(s._iO.onpause) {
                    s._iO.onpause.apply(s);
                }
                return s;
            };
            /**
             * Resumes sound playback.
             *
             * @return {SMSound} The SMSound object
             */
            /**
             * When auto-loaded streams pause on buffer full they have a playState of 0.
             * We need to make sure that the playState is set to 1 when these streams "resume".
             * When a paused stream is resumed, we need to trigger the onplay() callback if it
             * hasn't been called already. In this case since the sound is being played for the
             * first time, I think it's more appropriate to call onplay() rather than onresume().
             */
            this.resume = function() {
                var instanceOptions = s._iO;
                if(!s.paused) {
                    return s;
                }
                sm2._wD(s.id + ': resume()');
                s.paused = false;
                s.playState = 1;
                if(!s.isHTML5) {
                    if(instanceOptions.isMovieStar && !instanceOptions.serverURL) {
                        // Bizarre Webkit bug (Chrome reported via 8tracks.com dudes): AAC content paused for 30+ seconds(?) will not resume without a reposition.
                        s.setPosition(s.position);
                    }
                    // flash method is toggle-based (pause/resume)
                    flash._pause(s.id, instanceOptions.multiShot);
                } else {
                    s._setup_html5().play();
                    start_html5_timer();
                }
                if(!onplay_called && instanceOptions.onplay) {
                    instanceOptions.onplay.apply(s);
                    onplay_called = true;
                } else if(instanceOptions.onresume) {
                    instanceOptions.onresume.apply(s);
                }
                return s;
            };
            /**
             * Toggles sound playback.
             *
             * @return {SMSound} The SMSound object
             */
            this.togglePause = function() {
                sm2._wD(s.id + ': togglePause()');
                if(s.playState === 0) {
                    s.play({
                        position: (fV === 9 && !s.isHTML5 ? s.position : s.position / msecScale)
                    });
                    return s;
                }
                if(s.paused) {
                    s.resume();
                } else {
                    s.pause();
                }
                return s;
            };
            /**
             * Sets the panning (L-R) effect.
             *
             * @param {number} nPan The pan value (-100 to 100)
             * @return {SMSound} The SMSound object
             */
            this.setPan = function(nPan, bInstanceOnly) {
                if(nPan === _undefined) {
                    nPan = 0;
                }
                if(bInstanceOnly === _undefined) {
                    bInstanceOnly = false;
                }
                if(!s.isHTML5) {
                    flash._setPan(s.id, nPan);
                } // else { no HTML5 pan? }
                s._iO.pan = nPan;
                if(!bInstanceOnly) {
                    s.pan = nPan;
                    s.options.pan = nPan;
                }
                return s;
            };
            /**
             * Sets the volume.
             *
             * @param {number} nVol The volume value (0 to 100)
             * @return {SMSound} The SMSound object
             */
            this.setVolume = function(nVol, _bInstanceOnly) {
                /**
                 * Note: Setting volume has no effect on iOS "special snowflake" devices.
                 * Hardware volume control overrides software, and volume
                 * will always return 1 per Apple docs. (iOS 4 + 5.)
                 * http://developer.apple.com/library/safari/documentation/AudioVideo/Conceptual/HTML-canvas-guide/AddingSoundtoCanvasAnimations/AddingSoundtoCanvasAnimations.html
                 */
                if(nVol === _undefined) {
                    nVol = 100;
                }
                if(_bInstanceOnly === _undefined) {
                    _bInstanceOnly = false;
                }
                if(!s.isHTML5) {
                    flash._setVolume(s.id, (sm2.muted && !s.muted) || s.muted ? 0 : nVol);
                } else if(s._a) {
                    if(sm2.muted && !s.muted) {
                        s.muted = true;
                        s._a.muted = true;
                    }
                    // valid range: 0-1
                    s._a.volume = Math.max(0, Math.min(1, nVol / 100));
                }
                s._iO.volume = nVol;
                if(!_bInstanceOnly) {
                    s.volume = nVol;
                    s.options.volume = nVol;
                }
                return s;
            };
            /**
             * Mutes the sound.
             *
             * @return {SMSound} The SMSound object
             */
            this.mute = function() {
                s.muted = true;
                if(!s.isHTML5) {
                    flash._setVolume(s.id, 0);
                } else if(s._a) {
                    s._a.muted = true;
                }
                return s;
            };
            /**
             * Unmutes the sound.
             *
             * @return {SMSound} The SMSound object
             */
            this.unmute = function() {
                s.muted = false;
                var hasIO = (s._iO.volume !== _undefined);
                if(!s.isHTML5) {
                    flash._setVolume(s.id, hasIO ? s._iO.volume : s.options.volume);
                } else if(s._a) {
                    s._a.muted = false;
                }
                return s;
            };
            /**
             * Toggles the muted state of a sound.
             *
             * @return {SMSound} The SMSound object
             */
            this.toggleMute = function() {
                return(s.muted ? s.unmute() : s.mute());
            };
            /**
             * Registers a callback to be fired when a sound reaches a given position during playback.
             *
             * @param {number} nPosition The position to watch for
             * @param {function} oMethod The relevant callback to fire
             * @param {object} oScope Optional: The scope to apply the callback to
             * @return {SMSound} The SMSound object
             */
            this.onPosition = function(nPosition, oMethod, oScope) {
                // TODO: basic dupe checking?
                onPositionItems.push({
                    position: parseInt(nPosition, 10),
                    method: oMethod,
                    scope: (oScope !== _undefined ? oScope : s),
                    fired: false
                });
                return s;
            };
            // legacy/backwards-compability: lower-case method name
            this.onposition = this.onPosition;
            /**
             * Removes registered callback(s) from a sound, by position and/or callback.
             *
             * @param {number} nPosition The position to clear callback(s) for
             * @param {function} oMethod Optional: Identify one callback to be removed when multiple listeners exist for one position
             * @return {SMSound} The SMSound object
             */
            this.clearOnPosition = function(nPosition, oMethod) {
                var i;
                nPosition = parseInt(nPosition, 10);
                if(isNaN(nPosition)) {
                    // safety check
                    return false;
                }
                for(i = 0; i < onPositionItems.length; i++) {
                    if(nPosition === onPositionItems[i].position) {
                        // remove this item if no method was specified, or, if the method matches
                        if(!oMethod || (oMethod === onPositionItems[i].method)) {
                            if(onPositionItems[i].fired) {
                                // decrement "fired" counter, too
                                onPositionFired--;
                            }
                            onPositionItems.splice(i, 1);
                        }
                    }
                }
            };
            this._processOnPosition = function() {
                var i, item, j = onPositionItems.length;
                if(!j || !s.playState || onPositionFired >= j) {
                    return false;
                }
                for(i = j - 1; i >= 0; i--) {
                    item = onPositionItems[i];
                    if(!item.fired && s.position >= item.position) {
                        item.fired = true;
                        onPositionFired++;
                        item.method.apply(item.scope, [item.position]);
                        j = onPositionItems.length; //  reset j -- onPositionItems.length can be changed in the item callback above... occasionally breaking the loop.
                    }
                }
                return true;
            };
            this._resetOnPosition = function(nPosition) {
                // reset "fired" for items interested in this position
                var i, item, j = onPositionItems.length;
                if(!j) {
                    return false;
                }
                for(i = j - 1; i >= 0; i--) {
                    item = onPositionItems[i];
                    if(item.fired && nPosition <= item.position) {
                        item.fired = false;
                        onPositionFired--;
                    }
                }
                return true;
            };
            /**
             * SMSound() private internals
             * --------------------------------
             */
            applyFromTo = function() {
                var instanceOptions = s._iO,
                    f = instanceOptions.from,
                    t = instanceOptions.to,
                    start, end;
                end = function() {
                    // end has been reached.
                    sm2._wD(s.id + ': "To" time of ' + t + ' reached.');
                    // detach listener
                    s.clearOnPosition(t, end);
                    // stop should clear this, too
                    s.stop();
                };
                start = function() {
                    sm2._wD(s.id + ': Playing "from" ' + f);
                    // add listener for end
                    if(t !== null && !isNaN(t)) {
                        s.onPosition(t, end);
                    }
                };
                if(f !== null && !isNaN(f)) {
                    // apply to instance options, guaranteeing correct start position.
                    instanceOptions.position = f;
                    // multiShot timing can't be tracked, so prevent that.
                    instanceOptions.multiShot = false;
                    start();
                }
                // return updated instanceOptions including starting position
                return instanceOptions;
            };
            attachOnPosition = function() {
                var item,
                    op = s._iO.onposition;
                // attach onposition things, if any, now.
                if(op) {
                    for(item in op) {
                        if(op.hasOwnProperty(item)) {
                            s.onPosition(parseInt(item, 10), op[item]);
                        }
                    }
                }
            };
            detachOnPosition = function() {
                var item,
                    op = s._iO.onposition;
                // detach any onposition()-style listeners.
                if(op) {
                    for(item in op) {
                        if(op.hasOwnProperty(item)) {
                            s.clearOnPosition(parseInt(item, 10));
                        }
                    }
                }
            };
            start_html5_timer = function() {
                if(s.isHTML5) {
                    startTimer(s);
                }
            };
            stop_html5_timer = function() {
                if(s.isHTML5) {
                    stopTimer(s);
                }
            };
            resetProperties = function(retainPosition) {
                if(!retainPosition) {
                    onPositionItems = [];
                    onPositionFired = 0;
                }
                onplay_called = false;
                s._hasTimer = null;
                s._a = null;
                s._html5_canplay = false;
                s.bytesLoaded = null;
                s.bytesTotal = null;
                s.duration = (s._iO && s._iO.duration ? s._iO.duration : null);
                s.durationEstimate = null;
                s.buffered = [];
                // legacy: 1D array
                s.eqData = [];
                s.eqData.left = [];
                s.eqData.right = [];
                s.failures = 0;
                s.isBuffering = false;
                s.instanceOptions = {};
                s.instanceCount = 0;
                s.loaded = false;
                s.metadata = {};
                // 0 = uninitialised, 1 = loading, 2 = failed/error, 3 = loaded/success
                s.readyState = 0;
                s.muted = false;
                s.paused = false;
                s.peakData = {
                    left: 0,
                    right: 0
                };
                s.waveformData = {
                    left: [],
                    right: []
                };
                s.playState = 0;
                s.position = null;
                s.id3 = {};
            };
            resetProperties();
            /**
             * Pseudo-private SMSound internals
             * --------------------------------
             */
            this._onTimer = function(bForce) {
                /**
                 * HTML5-only _whileplaying() etc.
                 * called from both HTML5 native events, and polling/interval-based timers
                 * mimics flash and fires only when time/duration change, so as to be polling-friendly
                 */
                var duration, isNew = false,
                    time, x = {};
                if(s._hasTimer || bForce) {
                    // TODO: May not need to track readyState (1 = loading)
                    if(s._a && (bForce || ((s.playState > 0 || s.readyState === 1) && !s.paused))) {
                        duration = s._get_html5_duration();
                        if(duration !== lastHTML5State.duration) {
                            lastHTML5State.duration = duration;
                            s.duration = duration;
                            isNew = true;
                        }
                        // TODO: investigate why this goes wack if not set/re-set each time.
                        s.durationEstimate = s.duration;
                        time = (s._a.currentTime * msecScale || 0);
                        if(time !== lastHTML5State.time) {
                            lastHTML5State.time = time;
                            isNew = true;
                        }
                        if(isNew || bForce) {
                            s._whileplaying(time, x, x, x, x);
                        }
                    }
                    /* else {

          // sm2._wD('_onTimer: Warn for "'+s.id+'": '+(!s._a?'Could not find element. ':'')+(s.playState === 0?'playState bad, 0?':'playState = '+s.playState+', OK'));

          return false;

        }*/
                    return isNew;
                }
            };
            this._get_html5_duration = function() {
                var instanceOptions = s._iO,
                    // if audio object exists, use its duration - else, instance option duration (if provided - it's a hack, really, and should be retired) OR null
                    d = (s._a && s._a.duration ? s._a.duration * msecScale : (instanceOptions && instanceOptions.duration ? instanceOptions.duration : null)),
                    result = (d && !isNaN(d) && d !== Infinity ? d : null);
                return result;
            };
            this._apply_loop = function(a, nLoops) {
                /**
                 * boolean instead of "loop", for webkit? - spec says string. http://www.w3.org/TR/html-markup/audio.html#audio.attrs.loop
                 * note that loop is either off or infinite under HTML5, unlike Flash which allows arbitrary loop counts to be specified.
                 */
                // <d>
                if(!a.loop && nLoops > 1) {
                    sm2._wD('Note: Native HTML5 looping is infinite.', 1);
                }
                // </d>
                a.loop = (nLoops > 1 ? 'loop' : '');
            };
            this._setup_html5 = function(oOptions) {
                var instanceOptions = mixin(s._iO, oOptions),
                    a = useGlobalHTML5Audio ? globalHTML5Audio : s._a,
                    dURL = decodeURI(instanceOptions.url),
                    sameURL;
                /**
                 * "First things first, I, Poppa..." (reset the previous state of the old sound, if playing)
                 * Fixes case with devices that can only play one sound at a time
                 * Otherwise, other sounds in mid-play will be terminated without warning and in a stuck state
                 */
                if(useGlobalHTML5Audio) {
                    if(dURL === decodeURI(lastGlobalHTML5URL)) {
                        // global HTML5 audio: re-use of URL
                        sameURL = true;
                    }
                } else if(dURL === decodeURI(lastURL)) {
                    // options URL is the same as the "last" URL, and we used (loaded) it
                    sameURL = true;
                }
                if(a) {
                    if(a._s) {
                        if(useGlobalHTML5Audio) {
                            if(a._s && a._s.playState && !sameURL) {
                                // global HTML5 audio case, and loading a new URL. stop the currently-playing one.
                                a._s.stop();
                            }
                        } else if(!useGlobalHTML5Audio && dURL === decodeURI(lastURL)) {
                            // non-global HTML5 reuse case: same url, ignore request
                            s._apply_loop(a, instanceOptions.loops);
                            return a;
                        }
                    }
                    if(!sameURL) {
                        // don't retain onPosition() stuff with new URLs.
                        if(lastURL) {
                            resetProperties(false);
                        }
                        // assign new HTML5 URL
                        a.src = instanceOptions.url;
                        s.url = instanceOptions.url;
                        lastURL = instanceOptions.url;
                        lastGlobalHTML5URL = instanceOptions.url;
                        a._called_load = false;
                    }
                } else {
                    if(instanceOptions.autoLoad || instanceOptions.autoPlay) {
                        s._a = new Audio(instanceOptions.url);
                        s._a.load();
                    } else {
                        // null for stupid Opera 9.64 case
                        s._a = (isOpera && opera.version() < 10 ? new Audio(null) : new Audio());
                    }
                    // assign local reference
                    a = s._a;
                    a._called_load = false;
                    if(useGlobalHTML5Audio) {
                        globalHTML5Audio = a;
                    }
                }
                s.isHTML5 = true;
                // store a ref on the track
                s._a = a;
                // store a ref on the audio
                a._s = s;
                add_html5_events();
                s._apply_loop(a, instanceOptions.loops);
                if(instanceOptions.autoLoad || instanceOptions.autoPlay) {
                    s.load();
                } else {
                    // early HTML5 implementation (non-standard)
                    a.autobuffer = false;
                    // standard ('none' is also an option.)
                    a.preload = 'auto';
                }
                return a;
            };
            add_html5_events = function() {
                if(s._a._added_events) {
                    return false;
                }
                var f;

                function add(oEvt, oFn, bCapture) {
                    return s._a ? s._a.addEventListener(oEvt, oFn, bCapture || false) : null;
                }
                s._a._added_events = true;
                for(f in html5_events) {
                    if(html5_events.hasOwnProperty(f)) {
                        add(f, html5_events[f]);
                    }
                }
                return true;
            };
            remove_html5_events = function() {
                // Remove event listeners
                var f;

                function remove(oEvt, oFn, bCapture) {
                    return(s._a ? s._a.removeEventListener(oEvt, oFn, bCapture || false) : null);
                }
                sm2._wD(s.id + ': Removing event listeners');
                s._a._added_events = false;
                for(f in html5_events) {
                    if(html5_events.hasOwnProperty(f)) {
                        remove(f, html5_events[f]);
                    }
                }
            };
            /**
             * Pseudo-private event internals
             * ------------------------------
             */
            this._onload = function(nSuccess) {
                var fN,
                    // check for duration to prevent false positives from flash 8 when loading from cache.
                    loadOK = !! nSuccess || (!s.isHTML5 && fV === 8 && s.duration);
                // <d>
                fN = s.id + ': ';
                sm2._wD(fN + (loadOK ? 'onload()' : 'Failed to load / invalid sound?' + (!s.duration ? ' Zero-length duration reported.' : ' -') + ' (' + s.url + ')'), (loadOK ? 1 : 2));
                if(!loadOK && !s.isHTML5) {
                    if(sm2.sandbox.noRemote === true) {
                        sm2._wD(fN + str('noNet'), 1);
                    }
                    if(sm2.sandbox.noLocal === true) {
                        sm2._wD(fN + str('noLocal'), 1);
                    }
                }
                // </d>
                s.loaded = loadOK;
                s.readyState = loadOK ? 3 : 2;
                s._onbufferchange(0);
                if(s._iO.onload) {
                    wrapCallback(s, function() {
                        s._iO.onload.apply(s, [loadOK]);
                    });
                }
                return true;
            };
            this._onbufferchange = function(nIsBuffering) {
                if(s.playState === 0) {
                    // ignore if not playing
                    return false;
                }
                if((nIsBuffering && s.isBuffering) || (!nIsBuffering && !s.isBuffering)) {
                    return false;
                }
                s.isBuffering = (nIsBuffering === 1);
                if(s._iO.onbufferchange) {
                    sm2._wD(s.id + ': Buffer state change: ' + nIsBuffering);
                    s._iO.onbufferchange.apply(s, [nIsBuffering]);
                }
                return true;
            };
            /**
             * Playback may have stopped due to buffering, or related reason.
             * This state can be encountered on iOS < 6 when auto-play is blocked.
             */
            this._onsuspend = function() {
                if(s._iO.onsuspend) {
                    sm2._wD(s.id + ': Playback suspended');
                    s._iO.onsuspend.apply(s);
                }
                return true;
            };
            /**
             * flash 9/movieStar + RTMP-only method, should fire only once at most
             * at this point we just recreate failed sounds rather than trying to reconnect
             */
            this._onfailure = function(msg, level, code) {
                s.failures++;
                sm2._wD(s.id + ': Failure (' + s.failures + '): ' + msg);
                if(s._iO.onfailure && s.failures === 1) {
                    s._iO.onfailure(msg, level, code);
                } else {
                    sm2._wD(s.id + ': Ignoring failure');
                }
            };
            /**
             * flash 9/movieStar + RTMP-only method for unhandled warnings/exceptions from Flash
             * e.g., RTMP "method missing" warning (non-fatal) for getStreamLength on server
             */
            this._onwarning = function(msg, level, code) {
                if(s._iO.onwarning) {
                    s._iO.onwarning(msg, level, code);
                }
            };
            this._onfinish = function() {
                // store local copy before it gets trashed...
                var io_onfinish = s._iO.onfinish;
                s._onbufferchange(0);
                s._resetOnPosition(0);
                // reset some state items
                if(s.instanceCount) {
                    s.instanceCount--;
                    if(!s.instanceCount) {
                        // remove onPosition listeners, if any
                        detachOnPosition();
                        // reset instance options
                        s.playState = 0;
                        s.paused = false;
                        s.instanceCount = 0;
                        s.instanceOptions = {};
                        s._iO = {};
                        stop_html5_timer();
                        // reset position, too
                        if(s.isHTML5) {
                            s.position = 0;
                        }
                    }
                    if(!s.instanceCount || s._iO.multiShotEvents) {
                        // fire onfinish for last, or every instance
                        if(io_onfinish) {
                            sm2._wD(s.id + ': onfinish()');
                            wrapCallback(s, function() {
                                io_onfinish.apply(s);
                            });
                        }
                    }
                }
            };
            this._whileloading = function(nBytesLoaded, nBytesTotal, nDuration, nBufferLength) {
                var instanceOptions = s._iO;
                s.bytesLoaded = nBytesLoaded;
                s.bytesTotal = nBytesTotal;
                s.duration = Math.floor(nDuration);
                s.bufferLength = nBufferLength;
                if(!s.isHTML5 && !instanceOptions.isMovieStar) {
                    if(instanceOptions.duration) {
                        // use duration from options, if specified and larger. nobody should be specifying duration in options, actually, and it should be retired.
                        s.durationEstimate = (s.duration > instanceOptions.duration) ? s.duration : instanceOptions.duration;
                    } else {
                        s.durationEstimate = parseInt((s.bytesTotal / s.bytesLoaded) * s.duration, 10);
                    }
                } else {
                    s.durationEstimate = s.duration;
                }
                // for flash, reflect sequential-load-style buffering
                if(!s.isHTML5) {
                    s.buffered = [{
                        'start': 0,
                        'end': s.duration
                    }];
                }
                // allow whileloading to fire even if "load" fired under HTML5, due to HTTP range/partials
                if((s.readyState !== 3 || s.isHTML5) && instanceOptions.whileloading) {
                    instanceOptions.whileloading.apply(s);
                }
            };
            this._whileplaying = function(nPosition, oPeakData, oWaveformDataLeft, oWaveformDataRight, oEQData) {
                var instanceOptions = s._iO,
                    eqLeft;
                if(isNaN(nPosition) || nPosition === null) {
                    // flash safety net
                    return false;
                }
                // Safari HTML5 play() may return small -ve values when starting from position: 0, eg. -50.120396875. Unexpected/invalid per W3, I think. Normalize to 0.
                s.position = Math.max(0, nPosition);
                s._processOnPosition();
                if(!s.isHTML5 && fV > 8) {
                    if(instanceOptions.usePeakData && oPeakData !== _undefined && oPeakData) {
                        s.peakData = {
                            left: oPeakData.leftPeak,
                            right: oPeakData.rightPeak
                        };
                    }
                    if(instanceOptions.useWaveformData && oWaveformDataLeft !== _undefined && oWaveformDataLeft) {
                        s.waveformData = {
                            left: oWaveformDataLeft.split(','),
                            right: oWaveformDataRight.split(',')
                        };
                    }
                    if(instanceOptions.useEQData) {
                        if(oEQData !== _undefined && oEQData && oEQData.leftEQ) {
                            eqLeft = oEQData.leftEQ.split(',');
                            s.eqData = eqLeft;
                            s.eqData.left = eqLeft;
                            if(oEQData.rightEQ !== _undefined && oEQData.rightEQ) {
                                s.eqData.right = oEQData.rightEQ.split(',');
                            }
                        }
                    }
                }
                if(s.playState === 1) {
                    // special case/hack: ensure buffering is false if loading from cache (and not yet started)
                    if(!s.isHTML5 && fV === 8 && !s.position && s.isBuffering) {
                        s._onbufferchange(0);
                    }
                    if(instanceOptions.whileplaying) {
                        // flash may call after actual finish
                        instanceOptions.whileplaying.apply(s);
                    }
                }
                return true;
            };
            this._oncaptiondata = function(oData) {
                /**
                 * internal: flash 9 + NetStream (MovieStar/RTMP-only) feature
                 *
                 * @param {object} oData
                 */
                sm2._wD(s.id + ': Caption data received.');
                s.captiondata = oData;
                if(s._iO.oncaptiondata) {
                    s._iO.oncaptiondata.apply(s, [oData]);
                }
            };
            this._onmetadata = function(oMDProps, oMDData) {
                /**
                 * internal: flash 9 + NetStream (MovieStar/RTMP-only) feature
                 * RTMP may include song title, MovieStar content may include encoding info
                 *
                 * @param {array} oMDProps (names)
                 * @param {array} oMDData (values)
                 */
                sm2._wD(s.id + ': Metadata received.');
                var oData = {}, i, j;
                for(i = 0, j = oMDProps.length; i < j; i++) {
                    oData[oMDProps[i]] = oMDData[i];
                }
                s.metadata = oData;
                console.log('updated metadata', s.metadata);
                if(s._iO.onmetadata) {
                    s._iO.onmetadata.call(s, s.metadata);
                }
            };
            this._onid3 = function(oID3Props, oID3Data) {
                /**
                 * internal: flash 8 + flash 9 ID3 feature
                 * may include artist, song title etc.
                 *
                 * @param {array} oID3Props (names)
                 * @param {array} oID3Data (values)
                 */
                sm2._wD(s.id + ': ID3 data received.');
                var oData = [],
                    i, j;
                for(i = 0, j = oID3Props.length; i < j; i++) {
                    oData[oID3Props[i]] = oID3Data[i];
                }
                s.id3 = mixin(s.id3, oData);
                if(s._iO.onid3) {
                    s._iO.onid3.apply(s);
                }
            };
            // flash/RTMP-only
            this._onconnect = function(bSuccess) {
                bSuccess = (bSuccess === 1);
                sm2._wD(s.id + ': ' + (bSuccess ? 'Connected.' : 'Failed to connect? - ' + s.url), (bSuccess ? 1 : 2));
                s.connected = bSuccess;
                if(bSuccess) {
                    s.failures = 0;
                    if(idCheck(s.id)) {
                        if(s.getAutoPlay()) {
                            // only update the play state if auto playing
                            s.play(_undefined, s.getAutoPlay());
                        } else if(s._iO.autoLoad) {
                            s.load();
                        }
                    }
                    if(s._iO.onconnect) {
                        s._iO.onconnect.apply(s, [bSuccess]);
                    }
                }
            };
            this._ondataerror = function(sError) {
                // flash 9 wave/eq data handler
                // hack: called at start, and end from flash at/after onfinish()
                if(s.playState > 0) {
                    sm2._wD(s.id + ': Data error: ' + sError);
                    if(s._iO.ondataerror) {
                        s._iO.ondataerror.apply(s);
                    }
                }
            };
            // <d>
            this._debug();
            // </d>
        }; // SMSound()
        /**
         * Private SoundManager internals
         * ------------------------------
         */
        getDocument = function() {
            return(doc.body || doc.getElementsByTagName('div')[0]);
        };
        id = function(sID) {
            return doc.getElementById(sID);
        };
        mixin = function(oMain, oAdd) {
            // non-destructive merge
            var o1 = (oMain || {}),
                o2, o;
            // if unspecified, o2 is the default options object
            o2 = (oAdd === _undefined ? sm2.defaultOptions : oAdd);
            for(o in o2) {
                if(o2.hasOwnProperty(o) && o1[o] === _undefined) {
                    if(typeof o2[o] !== 'object' || o2[o] === null) {
                        // assign directly
                        o1[o] = o2[o];
                    } else {
                        // recurse through o2
                        o1[o] = mixin(o1[o], o2[o]);
                    }
                }
            }
            return o1;
        };
        wrapCallback = function(oSound, callback) {
            /**
             * 03/03/2013: Fix for Flash Player 11.6.602.171 + Flash 8 (flashVersion = 8) SWF issue
             * setTimeout() fix for certain SMSound callbacks like onload() and onfinish(), where subsequent calls like play() and load() fail when Flash Player 11.6.602.171 is installed, and using soundManager with flashVersion = 8 (which is the default).
             * Not sure of exact cause. Suspect race condition and/or invalid (NaN-style) position argument trickling down to the next JS -> Flash _start() call, in the play() case.
             * Fix: setTimeout() to yield, plus safer null / NaN checking on position argument provided to Flash.
             * https://getsatisfaction.com/schillmania/topics/recent_chrome_update_seems_to_have_broken_my_sm2_audio_player
             */
            if(!oSound.isHTML5 && fV === 8) {
                window.setTimeout(callback, 0);
            } else {
                callback();
            }
        };
        // additional soundManager properties that soundManager.setup() will accept
        extraOptions = {
            'onready': 1,
            'ontimeout': 1,
            'defaultOptions': 1,
            'flash9Options': 1,
            'movieStarOptions': 1
        };
        assign = function(o, oParent) {
            /**
             * recursive assignment of properties, soundManager.setup() helper
             * allows property assignment based on whitelist
             */
            var i,
                result = true,
                hasParent = (oParent !== _undefined),
                setupOptions = sm2.setupOptions,
                bonusOptions = extraOptions;
            // <d>
            // if soundManager.setup() called, show accepted parameters.
            if(o === _undefined) {
                result = [];
                for(i in setupOptions) {
                    if(setupOptions.hasOwnProperty(i)) {
                        result.push(i);
                    }
                }
                for(i in bonusOptions) {
                    if(bonusOptions.hasOwnProperty(i)) {
                        if(typeof sm2[i] === 'object') {
                            result.push(i + ': {...}');
                        } else if(sm2[i] instanceof Function) {
                            result.push(i + ': function() {...}');
                        } else {
                            result.push(i);
                        }
                    }
                }
                sm2._wD(str('setup', result.join(', ')));
                return false;
            }
            // </d>
            for(i in o) {
                if(o.hasOwnProperty(i)) {
                    // if not an {object} we want to recurse through...
                    if(typeof o[i] !== 'object' || o[i] === null || o[i] instanceof Array || o[i] instanceof RegExp) {
                        // check "allowed" options
                        if(hasParent && bonusOptions[oParent] !== _undefined) {
                            // valid recursive / nested object option, eg., { defaultOptions: { volume: 50 } }
                            sm2[oParent][i] = o[i];
                        } else if(setupOptions[i] !== _undefined) {
                            // special case: assign to setupOptions object, which soundManager property references
                            sm2.setupOptions[i] = o[i];
                            // assign directly to soundManager, too
                            sm2[i] = o[i];
                        } else if(bonusOptions[i] === _undefined) {
                            // invalid or disallowed parameter. complain.
                            complain(str((sm2[i] === _undefined ? 'setupUndef' : 'setupError'), i), 2);
                            result = false;
                        } else {
                            /**
                             * valid extraOptions (bonusOptions) parameter.
                             * is it a method, like onready/ontimeout? call it.
                             * multiple parameters should be in an array, eg. soundManager.setup({onready: [myHandler, myScope]});
                             */
                            if(sm2[i] instanceof Function) {
                                sm2[i].apply(sm2, (o[i] instanceof Array ? o[i] : [o[i]]));
                            } else {
                                // good old-fashioned direct assignment
                                sm2[i] = o[i];
                            }
                        }
                    } else {
                        // recursion case, eg., { defaultOptions: { ... } }
                        if(bonusOptions[i] === _undefined) {
                            // invalid or disallowed parameter. complain.
                            complain(str((sm2[i] === _undefined ? 'setupUndef' : 'setupError'), i), 2);
                            result = false;
                        } else {
                            // recurse through object
                            return assign(o[i], i);
                        }
                    }
                }
            }
            return result;
        };

        function preferFlashCheck(kind) {
            // whether flash should play a given type
            return(sm2.preferFlash && hasFlash && !sm2.ignoreFlash && (sm2.flash[kind] !== _undefined && sm2.flash[kind]));
        }
        /**
         * Internal DOM2-level event helpers
         * ---------------------------------
         */
        event = (function() {
            // normalize event methods
            var old = (window.attachEvent),
                evt = {
                    add: (old ? 'attachEvent' : 'addEventListener'),
                    remove: (old ? 'detachEvent' : 'removeEventListener')
                };
            // normalize "on" event prefix, optional capture argument

            function getArgs(oArgs) {
                var args = slice.call(oArgs),
                    len = args.length;
                if(old) {
                    // prefix
                    args[1] = 'on' + args[1];
                    if(len > 3) {
                        // no capture
                        args.pop();
                    }
                } else if(len === 3) {
                    args.push(false);
                }
                return args;
            }

            function apply(args, sType) {
                // normalize and call the event method, with the proper arguments
                var element = args.shift(),
                    method = [evt[sType]];
                if(old) {
                    // old IE can't do apply().
                    element[method](args[0], args[1]);
                } else {
                    element[method].apply(element, args);
                }
            }

            function add() {
                apply(getArgs(arguments), 'add');
            }

            function remove() {
                apply(getArgs(arguments), 'remove');
            }
            return {
                'add': add,
                'remove': remove
            };
        }());
        /**
         * Internal HTML5 event handling
         * -----------------------------
         */

        function html5_event(oFn) {
            // wrap html5 event handlers so we don't call them on destroyed and/or unloaded sounds
            return function(e) {
                var s = this._s,
                    result;
                if(!s || !s._a) {
                    // <d>
                    if(s && s.id) {
                        sm2._wD(s.id + ': Ignoring ' + e.type);
                    } else {
                        sm2._wD(h5 + 'Ignoring ' + e.type);
                    }
                    // </d>
                    result = null;
                } else {
                    result = oFn.call(this, e);
                }
                return result;
            };
        }
        html5_events = {
            // HTML5 event-name-to-handler map
            abort: html5_event(function() {
                sm2._wD(this._s.id + ': abort');
            }),
            // enough has loaded to play
            canplay: html5_event(function() {
                var s = this._s,
                    position1K;
                if(s._html5_canplay) {
                    // this event has already fired. ignore.
                    return true;
                }
                s._html5_canplay = true;
                sm2._wD(s.id + ': canplay');
                s._onbufferchange(0);
                // position according to instance options
                position1K = (s._iO.position !== _undefined && !isNaN(s._iO.position) ? s._iO.position / msecScale : null);
                // set the position if position was provided before the sound loaded
                if(this.currentTime !== position1K) {
                    sm2._wD(s.id + ': canplay: Setting position to ' + position1K);
                    try {
                        this.currentTime = position1K;
                    } catch(ee) {
                        sm2._wD(s.id + ': canplay: Setting position of ' + position1K + ' failed: ' + ee.message, 2);
                    }
                }
                // hack for HTML5 from/to case
                if(s._iO._oncanplay) {
                    s._iO._oncanplay();
                }
            }),
            canplaythrough: html5_event(function() {
                var s = this._s;
                if(!s.loaded) {
                    s._onbufferchange(0);
                    s._whileloading(s.bytesLoaded, s.bytesTotal, s._get_html5_duration());
                    s._onload(true);
                }
            }),
            durationchange: html5_event(function() {
                // durationchange may fire at various times, probably the safest way to capture accurate/final duration.
                var s = this._s,
                    duration;
                duration = s._get_html5_duration();
                if(!isNaN(duration) && duration !== s.duration) {
                    sm2._wD(this._s.id + ': durationchange (' + duration + ')' + (s.duration ? ', previously ' + s.duration : ''));
                    s.durationEstimate = s.duration = duration;
                }
            }),
            // TODO: Reserved for potential use
            /*
    emptied: html5_event(function() {

      sm2._wD(this._s.id + ': emptied');

    }),
    */
            ended: html5_event(function() {
                var s = this._s;
                sm2._wD(s.id + ': ended');
                s._onfinish();
            }),
            error: html5_event(function() {
                sm2._wD(this._s.id + ': HTML5 error, code ' + this.error.code);
                /**
                 * HTML5 error codes, per W3C
                 * Error 1: Client aborted download at user's request.
                 * Error 2: Network error after load started.
                 * Error 3: Decoding issue.
                 * Error 4: Media (audio file) not supported.
                 * Reference: http://www.whatwg.org/specs/web-apps/current-work/multipage/the-video-element.html#error-codes
                 */
                // call load with error state?
                this._s._onload(false);
            }),
            loadeddata: html5_event(function() {
                var s = this._s;
                sm2._wD(s.id + ': loadeddata');
                // safari seems to nicely report progress events, eventually totalling 100%
                if(!s._loaded && !isSafari) {
                    s.duration = s._get_html5_duration();
                }
            }),
            loadedmetadata: html5_event(function() {
                sm2._wD(this._s.id + ': loadedmetadata');
            }),
            loadstart: html5_event(function() {
                sm2._wD(this._s.id + ': loadstart');
                // assume buffering at first
                this._s._onbufferchange(1);
            }),
            play: html5_event(function() {
                // sm2._wD(this._s.id + ': play()');
                // once play starts, no buffering
                this._s._onbufferchange(0);
            }),
            playing: html5_event(function() {
                sm2._wD(this._s.id + ': playing ' + String.fromCharCode(9835));
                // once play starts, no buffering
                this._s._onbufferchange(0);
            }),
            progress: html5_event(function(e) {
                // note: can fire repeatedly after "loaded" event, due to use of HTTP range/partials
                var s = this._s,
                    i, j, progStr, buffered = 0,
                    isProgress = (e.type === 'progress'),
                    ranges = e.target.buffered,
                    // firefox 3.6 implements e.loaded/total (bytes)
                    loaded = (e.loaded || 0),
                    total = (e.total || 1);
                // reset the "buffered" (loaded byte ranges) array
                s.buffered = [];
                if(ranges && ranges.length) {
                    // if loaded is 0, try TimeRanges implementation as % of load
                    // https://developer.mozilla.org/en/DOM/TimeRanges
                    // re-build "buffered" array
                    // HTML5 returns seconds. SM2 API uses msec for setPosition() etc., whether Flash or HTML5.
                    for(i = 0, j = ranges.length; i < j; i++) {
                        s.buffered.push({
                            'start': ranges.start(i) * msecScale,
                            'end': ranges.end(i) * msecScale
                        });
                    }
                    // use the last value locally
                    buffered = (ranges.end(0) - ranges.start(0)) * msecScale;
                    // linear case, buffer sum; does not account for seeking and HTTP partials / byte ranges
                    loaded = Math.min(1, buffered / (e.target.duration * msecScale));
                    // <d>
                    if(isProgress && ranges.length > 1) {
                        progStr = [];
                        j = ranges.length;
                        for(i = 0; i < j; i++) {
                            progStr.push(e.target.buffered.start(i) * msecScale + '-' + e.target.buffered.end(i) * msecScale);
                        }
                        sm2._wD(this._s.id + ': progress, timeRanges: ' + progStr.join(', '));
                    }
                    if(isProgress && !isNaN(loaded)) {
                        sm2._wD(this._s.id + ': progress, ' + Math.floor(loaded * 100) + '% loaded');
                    }
                    // </d>
                }
                if(!isNaN(loaded)) {
                    // TODO: prevent calls with duplicate values.
                    s._whileloading(loaded, total, s._get_html5_duration());
                    if(loaded && total && loaded === total) {
                        // in case "onload" doesn't fire (eg. gecko 1.9.2)
                        html5_events.canplaythrough.call(this, e);
                    }
                }
            }),
            ratechange: html5_event(function() {
                sm2._wD(this._s.id + ': ratechange');
            }),
            suspend: html5_event(function(e) {
                // download paused/stopped, may have finished (eg. onload)
                var s = this._s;
                sm2._wD(this._s.id + ': suspend');
                html5_events.progress.call(this, e);
                s._onsuspend();
            }),
            stalled: html5_event(function() {
                sm2._wD(this._s.id + ': stalled');
            }),
            timeupdate: html5_event(function() {
                this._s._onTimer();
            }),
            waiting: html5_event(function() {
                var s = this._s;
                // see also: seeking
                sm2._wD(this._s.id + ': waiting');
                // playback faster than download rate, etc.
                s._onbufferchange(1);
            })
        };
        html5OK = function(iO) {
            // playability test based on URL or MIME type
            var result;
            if(!iO || (!iO.type && !iO.url && !iO.serverURL)) {
                // nothing to check
                result = false;
            } else if(iO.serverURL || (iO.type && preferFlashCheck(iO.type))) {
                // RTMP, or preferring flash
                result = false;
            } else {
                // Use type, if specified. Pass data: URIs to HTML5. If HTML5-only mode, no other options, so just give 'er
                result = ((iO.type ? html5CanPlay({
                    type: iO.type
                }) : html5CanPlay({
                    url: iO.url
                }) || sm2.html5Only || iO.url.match(/data\:/i)));
            }
            return result;
        };
        html5Unload = function(oAudio) {
            /**
             * Internal method: Unload media, and cancel any current/pending network requests.
             * Firefox can load an empty URL, which allegedly destroys the decoder and stops the download.
             * https://developer.mozilla.org/En/Using_audio_and_video_in_Firefox#Stopping_the_download_of_media
             * However, Firefox has been seen loading a relative URL from '' and thus requesting the hosting page on unload.
             * Other UA behaviour is unclear, so everyone else gets an about:blank-style URL.
             */
            var url;
            if(oAudio) {
                // Firefox and Chrome accept short WAVe data: URIs. Chome dislikes audio/wav, but accepts audio/wav for data: MIME.
                // Desktop Safari complains / fails on data: URI, so it gets about:blank.
                url = (isSafari ? emptyURL : (sm2.html5.canPlayType('audio/wav') ? emptyWAV : emptyURL));
                oAudio.src = url;
                // reset some state, too
                if(oAudio._called_unload !== undefined) {
                    oAudio._called_load = false;
                }
            }
            if(useGlobalHTML5Audio) {
                // ensure URL state is trashed, also
                lastGlobalHTML5URL = null;
            }
            return url;
        };
        html5CanPlay = function(o) {
            /**
             * Try to find MIME, test and return truthiness
             * o = {
             *  url: '/path/to/an.mp3',
             *  type: 'audio/mp3'
             * }
             */
            if(!sm2.useHTML5Audio || !sm2.hasHTML5) {
                return false;
            }
            var url = (o.url || null),
                mime = (o.type || null),
                aF = sm2.audioFormats,
                result,
                offset,
                fileExt,
                item;
            // account for known cases like audio/mp3
            if(mime && sm2.html5[mime] !== _undefined) {
                return(sm2.html5[mime] && !preferFlashCheck(mime));
            }
            if(!html5Ext) {
                html5Ext = [];
                for(item in aF) {
                    if(aF.hasOwnProperty(item)) {
                        html5Ext.push(item);
                        if(aF[item].related) {
                            html5Ext = html5Ext.concat(aF[item].related);
                        }
                    }
                }
                html5Ext = new RegExp('\\.(' + html5Ext.join('|') + ')(\\?.*)?$', 'i');
            }
            // TODO: Strip URL queries, etc.
            fileExt = (url ? url.toLowerCase().match(html5Ext) : null);
            if(!fileExt || !fileExt.length) {
                if(!mime) {
                    result = false;
                } else {
                    // audio/mp3 -> mp3, result should be known
                    offset = mime.indexOf(';');
                    // strip "audio/X; codecs..."
                    fileExt = (offset !== -1 ? mime.substr(0, offset) : mime).substr(6);
                }
            } else {
                // match the raw extension name - "mp3", for example
                fileExt = fileExt[1];
            }
            if(fileExt && sm2.html5[fileExt] !== _undefined) {
                // result known
                result = (sm2.html5[fileExt] && !preferFlashCheck(fileExt));
            } else {
                mime = 'audio/' + fileExt;
                result = sm2.html5.canPlayType({
                    type: mime
                });
                sm2.html5[fileExt] = result;
                // sm2._wD('canPlayType, found result: ' + result);
                result = (result && sm2.html5[mime] && !preferFlashCheck(mime));
            }
            return result;
        };
        testHTML5 = function() {
            /**
             * Internal: Iterates over audioFormats, determining support eg. audio/mp3, audio/mpeg and so on
             * assigns results to html5[] and flash[].
             */
            if(!sm2.useHTML5Audio || !sm2.hasHTML5) {
                // without HTML5, we need Flash.
                sm2.html5.usingFlash = true;
                needsFlash = true;
                return false;
            }
            // double-whammy: Opera 9.64 throws WRONG_ARGUMENTS_ERR if no parameter passed to Audio(), and Webkit + iOS happily tries to load "null" as a URL. :/
            var a = (Audio !== _undefined ? (isOpera && opera.version() < 10 ? new Audio(null) : new Audio()) : null),
                item, lookup, support = {}, aF, i;

            function cp(m) {
                var canPlay, j,
                    result = false,
                    isOK = false;
                if(!a || typeof a.canPlayType !== 'function') {
                    return result;
                }
                if(m instanceof Array) {
                    // iterate through all mime types, return any successes
                    for(i = 0, j = m.length; i < j; i++) {
                        if(sm2.html5[m[i]] || a.canPlayType(m[i]).match(sm2.html5Test)) {
                            isOK = true;
                            sm2.html5[m[i]] = true;
                            // note flash support, too
                            sm2.flash[m[i]] = !! (m[i].match(flashMIME));
                        }
                    }
                    result = isOK;
                } else {
                    canPlay = (a && typeof a.canPlayType === 'function' ? a.canPlayType(m) : false);
                    result = !! (canPlay && (canPlay.match(sm2.html5Test)));
                }
                return result;
            }
            // test all registered formats + codecs
            aF = sm2.audioFormats;
            for(item in aF) {
                if(aF.hasOwnProperty(item)) {
                    lookup = 'audio/' + item;
                    support[item] = cp(aF[item].type);
                    // write back generic type too, eg. audio/mp3
                    support[lookup] = support[item];
                    // assign flash
                    if(item.match(flashMIME)) {
                        sm2.flash[item] = true;
                        sm2.flash[lookup] = true;
                    } else {
                        sm2.flash[item] = false;
                        sm2.flash[lookup] = false;
                    }
                    // assign result to related formats, too
                    if(aF[item] && aF[item].related) {
                        for(i = aF[item].related.length - 1; i >= 0; i--) {
                            // eg. audio/m4a
                            support['audio/' + aF[item].related[i]] = support[item];
                            sm2.html5[aF[item].related[i]] = support[item];
                            sm2.flash[aF[item].related[i]] = support[item];
                        }
                    }
                }
            }
            support.canPlayType = (a ? cp : null);
            sm2.html5 = mixin(sm2.html5, support);
            sm2.html5.usingFlash = featureCheck();
            needsFlash = sm2.html5.usingFlash;
            return true;
        };
        strings = {
            // <d>
            notReady: 'Unavailable - wait until onready() has fired.',
            notOK: 'Audio support is not available.',
            domError: sm + 'exception caught while appending SWF to DOM.',
            spcWmode: 'Removing wmode, preventing known SWF loading issue(s)',
            swf404: smc + 'Verify that %s is a valid path.',
            tryDebug: 'Try ' + sm + '.debugFlash = true for more security details (output goes to SWF.)',
            checkSWF: 'See SWF output for more debug info.',
            localFail: smc + 'Non-HTTP page (' + doc.location.protocol + ' URL?) Review Flash player security settings for this special case:\nhttp://www.macromedia.com/support/documentation/en/flashplayer/help/settings_manager04.html\nMay need to add/allow path, eg. c:/sm2/ or /users/me/sm2/',
            waitFocus: smc + 'Special case: Waiting for SWF to load with window focus...',
            waitForever: smc + 'Waiting indefinitely for Flash (will recover if unblocked)...',
            waitSWF: smc + 'Waiting for 100% SWF load...',
            needFunction: smc + 'Function object expected for %s',
            badID: 'Sound ID "%s" should be a string, starting with a non-numeric character',
            currentObj: smc + '_debug(): Current sound objects',
            waitOnload: smc + 'Waiting for window.onload()',
            docLoaded: smc + 'Document already loaded',
            onload: smc + 'initComplete(): calling soundManager.onload()',
            onloadOK: sm + '.onload() complete',
            didInit: smc + 'init(): Already called?',
            secNote: 'Flash security note: Network/internet URLs will not load due to security restrictions. Access can be configured via Flash Player Global Security Settings Page: http://www.macromedia.com/support/documentation/en/flashplayer/help/settings_manager04.html',
            badRemove: smc + 'Failed to remove Flash node.',
            shutdown: sm + '.disable(): Shutting down',
            queue: smc + 'Queueing %s handler',
            smError: 'SMSound.load(): Exception: JS-Flash communication failed, or JS error.',
            fbTimeout: 'No flash response, applying .' + swfCSS.swfTimedout + ' CSS...',
            fbLoaded: 'Flash loaded',
            fbHandler: smc + 'flashBlockHandler()',
            manURL: 'SMSound.load(): Using manually-assigned URL',
            onURL: sm + '.load(): current URL already assigned.',
            badFV: sm + '.flashVersion must be 8 or 9. "%s" is invalid. Reverting to %s.',
            as2loop: 'Note: Setting stream:false so looping can work (flash 8 limitation)',
            noNSLoop: 'Note: Looping not implemented for MovieStar formats',
            needfl9: 'Note: Switching to flash 9, required for MP4 formats.',
            mfTimeout: 'Setting flashLoadTimeout = 0 (infinite) for off-screen, mobile flash case',
            needFlash: smc + 'Fatal error: Flash is needed to play some required formats, but is not available.',
            gotFocus: smc + 'Got window focus.',
            policy: 'Enabling usePolicyFile for data access',
            setup: sm + '.setup(): allowed parameters: %s',
            setupError: sm + '.setup(): "%s" cannot be assigned with this method.',
            setupUndef: sm + '.setup(): Could not find option "%s"',
            setupLate: sm + '.setup(): url, flashVersion and html5Test property changes will not take effect until reboot().',
            noURL: smc + 'Flash URL required. Call soundManager.setup({url:...}) to get started.',
            sm2Loaded: 'SoundManager 2: Ready. ' + String.fromCharCode(10003),
            reset: sm + '.reset(): Removing event callbacks',
            mobileUA: 'Mobile UA detected, preferring HTML5 by default.',
            globalHTML5: 'Using singleton HTML5 Audio() pattern for this device.'
            // </d>
        };
        str = function() {
            // internal string replace helper.
            // arguments: o [,items to replace]
            // <d>
            var args,
                i, j, o,
                sstr;
            // real array, please
            args = slice.call(arguments);
            // first argument
            o = args.shift();
            sstr = (strings && strings[o] ? strings[o] : '');
            if(sstr && args && args.length) {
                for(i = 0, j = args.length; i < j; i++) {
                    sstr = sstr.replace('%s', args[i]);
                }
            }
            return sstr;
            // </d>
        };
        loopFix = function(sOpt) {
            // flash 8 requires stream = false for looping to work
            if(fV === 8 && sOpt.loops > 1 && sOpt.stream) {
                _wDS('as2loop');
                sOpt.stream = false;
            }
            return sOpt;
        };
        policyFix = function(sOpt, sPre) {
            if(sOpt && !sOpt.usePolicyFile && (sOpt.onid3 || sOpt.usePeakData || sOpt.useWaveformData || sOpt.useEQData)) {
                sm2._wD((sPre || '') + str('policy'));
                sOpt.usePolicyFile = true;
            }
            return sOpt;
        };
        complain = function(sMsg) {
            // <d>
            if(hasConsole && console.warn !== _undefined) {
                console.warn(sMsg);
            } else {
                sm2._wD(sMsg);
            }
            // </d>
        };
        doNothing = function() {
            return false;
        };
        disableObject = function(o) {
            var oProp;
            for(oProp in o) {
                if(o.hasOwnProperty(oProp) && typeof o[oProp] === 'function') {
                    o[oProp] = doNothing;
                }
            }
            oProp = null;
        };
        failSafely = function(bNoDisable) {
            // general failure exception handler
            if(bNoDisable === _undefined) {
                bNoDisable = false;
            }
            if(disabled || bNoDisable) {
                sm2.disable(bNoDisable);
            }
        };
        normalizeMovieURL = function(smURL) {
            var urlParams = null,
                url;
            if(smURL) {
                if(smURL.match(/\.swf(\?.*)?$/i)) {
                    urlParams = smURL.substr(smURL.toLowerCase().lastIndexOf('.swf?') + 4);
                    if(urlParams) {
                        // assume user knows what they're doing
                        return smURL;
                    }
                } else if(smURL.lastIndexOf('/') !== smURL.length - 1) {
                    // append trailing slash, if needed
                    smURL += '/';
                }
            }
            url = (smURL && smURL.lastIndexOf('/') !== -1 ? smURL.substr(0, smURL.lastIndexOf('/') + 1) : './') + sm2.movieURL;
            if(sm2.noSWFCache) {
                url += ('?ts=' + new Date().getTime());
            }
            return url;
        };
        setVersionInfo = function() {
            // short-hand for internal use
            fV = parseInt(sm2.flashVersion, 10);
            if(fV !== 8 && fV !== 9) {
                sm2._wD(str('badFV', fV, defaultFlashVersion));
                sm2.flashVersion = fV = defaultFlashVersion;
            }
            // debug flash movie, if applicable
            var isDebug = (sm2.debugMode || sm2.debugFlash ? '_debug.swf' : '.swf');
            if(sm2.useHTML5Audio && !sm2.html5Only && sm2.audioFormats.mp4.required && fV < 9) {
                sm2._wD(str('needfl9'));
                sm2.flashVersion = fV = 9;
            }
            sm2.version = sm2.versionNumber + (sm2.html5Only ? ' (HTML5-only mode)' : (fV === 9 ? ' (AS3/Flash 9)' : ' (AS2/Flash 8)'));
            // set up default options
            if(fV > 8) {
                // +flash 9 base options
                sm2.defaultOptions = mixin(sm2.defaultOptions, sm2.flash9Options);
                sm2.features.buffering = true;
                // +moviestar support
                sm2.defaultOptions = mixin(sm2.defaultOptions, sm2.movieStarOptions);
                sm2.filePatterns.flash9 = new RegExp('\\.(mp3|' + netStreamTypes.join('|') + ')(\\?.*)?$', 'i');
                sm2.features.movieStar = true;
            } else {
                sm2.features.movieStar = false;
            }
            // regExp for flash canPlay(), etc.
            sm2.filePattern = sm2.filePatterns[(fV !== 8 ? 'flash9' : 'flash8')];
            // if applicable, use _debug versions of SWFs
            sm2.movieURL = (fV === 8 ? 'soundmanager2.swf' : 'soundmanager2_flash9.swf').replace('.swf', isDebug);
            sm2.features.peakData = sm2.features.waveformData = sm2.features.eqData = (fV > 8);
        };
        setPolling = function(bPolling, bHighPerformance) {
            if(!flash) {
                return false;
            }
            flash._setPolling(bPolling, bHighPerformance);
        };
        initDebug = function() {
            // starts debug mode, creating output <div> for UAs without console object
            // allow force of debug mode via URL
            // <d>
            if(sm2.debugURLParam.test(wl)) {
                sm2.debugMode = true;
            }
            if(id(sm2.debugID)) {
                return false;
            }
            var oD, oDebug, oTarget, oToggle, tmp;
            if(sm2.debugMode && !id(sm2.debugID) && (!hasConsole || !sm2.useConsole || !sm2.consoleOnly)) {
                oD = doc.createElement('div');
                oD.id = sm2.debugID + '-toggle';
                oToggle = {
                    'position': 'fixed',
                    'bottom': '0px',
                    'right': '0px',
                    'width': '1.2em',
                    'height': '1.2em',
                    'lineHeight': '1.2em',
                    'margin': '2px',
                    'textAlign': 'center',
                    'border': '1px solid #999',
                    'cursor': 'pointer',
                    'background': '#fff',
                    'color': '#333',
                    'zIndex': 10001
                };
                oD.appendChild(doc.createTextNode('-'));
                oD.onclick = toggleDebug;
                oD.title = 'Toggle SM2 debug console';
                if(ua.match(/msie 6/i)) {
                    oD.style.position = 'absolute';
                    oD.style.cursor = 'hand';
                }
                for(tmp in oToggle) {
                    if(oToggle.hasOwnProperty(tmp)) {
                        oD.style[tmp] = oToggle[tmp];
                    }
                }
                oDebug = doc.createElement('div');
                oDebug.id = sm2.debugID;
                oDebug.style.display = (sm2.debugMode ? 'block' : 'none');
                if(sm2.debugMode && !id(oD.id)) {
                    try {
                        oTarget = getDocument();
                        oTarget.appendChild(oD);
                    } catch(e2) {
                        throw new Error(str('domError') + ' \n' + e2.toString());
                    }
                    oTarget.appendChild(oDebug);
                }
            }
            oTarget = null;
            // </d>
        };
        idCheck = this.getSoundById;
        // <d>
        _wDS = function(o, errorLevel) {
            return(!o ? '' : sm2._wD(str(o), errorLevel));
        };
        toggleDebug = function() {
            var o = id(sm2.debugID),
                oT = id(sm2.debugID + '-toggle');
            if(!o) {
                return false;
            }
            if(debugOpen) {
                // minimize
                oT.innerHTML = '+';
                o.style.display = 'none';
            } else {
                oT.innerHTML = '-';
                o.style.display = 'block';
            }
            debugOpen = !debugOpen;
        };
        debugTS = function(sEventType, bSuccess, sMessage) {
            // troubleshooter debug hooks
            if(window.sm2Debugger !== _undefined) {
                try {
                    sm2Debugger.handleEvent(sEventType, bSuccess, sMessage);
                } catch(e) {
                    // oh well
                    return false;
                }
            }
            return true;
        };
        // </d>
        getSWFCSS = function() {
            var css = [];
            if(sm2.debugMode) {
                css.push(swfCSS.sm2Debug);
            }
            if(sm2.debugFlash) {
                css.push(swfCSS.flashDebug);
            }
            if(sm2.useHighPerformance) {
                css.push(swfCSS.highPerf);
            }
            return css.join(' ');
        };
        flashBlockHandler = function() {
            // *possible* flash block situation.
            var name = str('fbHandler'),
                p = sm2.getMoviePercent(),
                css = swfCSS,
                error = {
                    type: 'FLASHBLOCK'
                };
            if(sm2.html5Only) {
                // no flash, or unused
                return false;
            }
            if(!sm2.ok()) {
                if(needsFlash) {
                    // make the movie more visible, so user can fix
                    sm2.oMC.className = getSWFCSS() + ' ' + css.swfDefault + ' ' + (p === null ? css.swfTimedout : css.swfError);
                    sm2._wD(name + ': ' + str('fbTimeout') + (p ? ' (' + str('fbLoaded') + ')' : ''));
                }
                sm2.didFlashBlock = true;
                // fire onready(), complain lightly
                processOnEvents({
                    type: 'ontimeout',
                    ignoreInit: true,
                    error: error
                });
                catchError(error);
            } else {
                // SM2 loaded OK (or recovered)
                // <d>
                if(sm2.didFlashBlock) {
                    sm2._wD(name + ': Unblocked');
                }
                // </d>
                if(sm2.oMC) {
                    sm2.oMC.className = [getSWFCSS(), css.swfDefault, css.swfLoaded + (sm2.didFlashBlock ? ' ' + css.swfUnblocked : '')].join(' ');
                }
            }
        };
        addOnEvent = function(sType, oMethod, oScope) {
            if(on_queue[sType] === _undefined) {
                on_queue[sType] = [];
            }
            on_queue[sType].push({
                'method': oMethod,
                'scope': (oScope || null),
                'fired': false
            });
        };
        processOnEvents = function(oOptions) {
            // if unspecified, assume OK/error
            if(!oOptions) {
                oOptions = {
                    type: (sm2.ok() ? 'onready' : 'ontimeout')
                };
            }
            if(!didInit && oOptions && !oOptions.ignoreInit) {
                // not ready yet.
                return false;
            }
            if(oOptions.type === 'ontimeout' && (sm2.ok() || (disabled && !oOptions.ignoreInit))) {
                // invalid case
                return false;
            }
            var status = {
                success: (oOptions && oOptions.ignoreInit ? sm2.ok() : !disabled)
            },
                // queue specified by type, or none
                srcQueue = (oOptions && oOptions.type ? on_queue[oOptions.type] || [] : []),
                queue = [],
                i, j,
                args = [status],
                canRetry = (needsFlash && !sm2.ok());
            if(oOptions.error) {
                args[0].error = oOptions.error;
            }
            for(i = 0, j = srcQueue.length; i < j; i++) {
                if(srcQueue[i].fired !== true) {
                    queue.push(srcQueue[i]);
                }
            }
            if(queue.length) {
                // sm2._wD(sm + ': Firing ' + queue.length + ' ' + oOptions.type + '() item' + (queue.length === 1 ? '' : 's'));
                for(i = 0, j = queue.length; i < j; i++) {
                    if(queue[i].scope) {
                        queue[i].method.apply(queue[i].scope, args);
                    } else {
                        queue[i].method.apply(this, args);
                    }
                    if(!canRetry) {
                        // useFlashBlock and SWF timeout case doesn't count here.
                        queue[i].fired = true;
                    }
                }
            }
            return true;
        };
        initUserOnload = function() {
            window.setTimeout(function() {
                if(sm2.useFlashBlock) {
                    flashBlockHandler();
                }
                processOnEvents();
                // call user-defined "onload", scoped to window
                if(typeof sm2.onload === 'function') {
                    _wDS('onload', 1);
                    sm2.onload.apply(window);
                    _wDS('onloadOK', 1);
                }
                if(sm2.waitForWindowLoad) {
                    event.add(window, 'load', initUserOnload);
                }
            }, 1);
        };
        detectFlash = function() {
            // hat tip: Flash Detect library (BSD, (C) 2007) by Carl "DocYes" S. Yestrau - http://featureblend.com/javascript-flash-detection-library.html / http://featureblend.com/license.txt
            if(hasFlash !== _undefined) {
                // this work has already been done.
                return hasFlash;
            }
            var hasPlugin = false,
                n = navigator,
                nP = n.plugins,
                obj, type, types, AX = window.ActiveXObject;
            if(nP && nP.length) {
                type = 'application/x-shockwave-flash';
                types = n.mimeTypes;
                if(types && types[type] && types[type].enabledPlugin && types[type].enabledPlugin.description) {
                    hasPlugin = true;
                }
            } else if(AX !== _undefined && !ua.match(/MSAppHost/i)) {
                // Windows 8 Store Apps (MSAppHost) are weird (compatibility?) and won't complain here, but will barf if Flash/ActiveX object is appended to the DOM.
                try {
                    obj = new AX('ShockwaveFlash.ShockwaveFlash');
                } catch(e) {
                    // oh well
                    obj = null;
                }
                hasPlugin = ( !! obj);
                // cleanup, because it is ActiveX after all
                obj = null;
            }
            hasFlash = hasPlugin;
            return hasPlugin;
        };
        featureCheck = function() {
            var flashNeeded,
                item,
                formats = sm2.audioFormats,
                // iPhone <= 3.1 has broken HTML5 audio(), but firmware 3.2 (original iPad) + iOS4 works.
                isSpecial = (is_iDevice && !! (ua.match(/os (1|2|3_0|3_1)\s/i)));
            if(isSpecial) {
                // has Audio(), but is broken; let it load links directly.
                sm2.hasHTML5 = false;
                // ignore flash case, however
                sm2.html5Only = true;
                // hide the SWF, if present
                if(sm2.oMC) {
                    sm2.oMC.style.display = 'none';
                }
            } else {
                if(sm2.useHTML5Audio) {
                    if(!sm2.html5 || !sm2.html5.canPlayType) {
                        sm2._wD('SoundManager: No HTML5 Audio() support detected.');
                        sm2.hasHTML5 = false;
                    }
                    // <d>
                    if(isBadSafari) {
                        sm2._wD(smc + 'Note: Buggy HTML5 Audio in Safari on this OS X release, see https://bugs.webkit.org/show_bug.cgi?id=32159 - ' + (!hasFlash ? ' would use flash fallback for MP3/MP4, but none detected.' : 'will use flash fallback for MP3/MP4, if available'), 1);
                    }
                    // </d>
                }
            }
            if(sm2.useHTML5Audio && sm2.hasHTML5) {
                // sort out whether flash is optional, required or can be ignored.
                // innocent until proven guilty.
                canIgnoreFlash = true;
                for(item in formats) {
                    if(formats.hasOwnProperty(item)) {
                        if(formats[item].required) {
                            if(!sm2.html5.canPlayType(formats[item].type)) {
                                // 100% HTML5 mode is not possible.
                                canIgnoreFlash = false;
                                flashNeeded = true;
                            } else if(sm2.preferFlash && (sm2.flash[item] || sm2.flash[formats[item].type])) {
                                // flash may be required, or preferred for this format.
                                flashNeeded = true;
                            }
                        }
                    }
                }
            }
            // sanity check...
            if(sm2.ignoreFlash) {
                flashNeeded = false;
                canIgnoreFlash = true;
            }
            sm2.html5Only = (sm2.hasHTML5 && sm2.useHTML5Audio && !flashNeeded);
            return(!sm2.html5Only);
        };
        parseURL = function(url) {
            /**
             * Internal: Finds and returns the first playable URL (or failing that, the first URL.)
             * @param {string or array} url A single URL string, OR, an array of URL strings or {url:'/path/to/resource', type:'audio/mp3'} objects.
             */
            var i, j, urlResult = 0,
                result;
            if(url instanceof Array) {
                // find the first good one
                for(i = 0, j = url.length; i < j; i++) {
                    if(url[i] instanceof Object) {
                        // MIME check
                        if(sm2.canPlayMIME(url[i].type)) {
                            urlResult = i;
                            break;
                        }
                    } else if(sm2.canPlayURL(url[i])) {
                        // URL string check
                        urlResult = i;
                        break;
                    }
                }
                // normalize to string
                if(url[urlResult].url) {
                    url[urlResult] = url[urlResult].url;
                }
                result = url[urlResult];
            } else {
                // single URL case
                result = url;
            }
            return result;
        };
        startTimer = function(oSound) {
            /**
             * attach a timer to this sound, and start an interval if needed
             */
            if(!oSound._hasTimer) {
                oSound._hasTimer = true;
                if(!mobileHTML5 && sm2.html5PollingInterval) {
                    if(h5IntervalTimer === null && h5TimerCount === 0) {
                        h5IntervalTimer = setInterval(timerExecute, sm2.html5PollingInterval);
                    }
                    h5TimerCount++;
                }
            }
        };
        stopTimer = function(oSound) {
            /**
             * detach a timer
             */
            if(oSound._hasTimer) {
                oSound._hasTimer = false;
                if(!mobileHTML5 && sm2.html5PollingInterval) {
                    // interval will stop itself at next execution.
                    h5TimerCount--;
                }
            }
        };
        timerExecute = function() {
            /**
             * manual polling for HTML5 progress events, ie., whileplaying() (can achieve greater precision than conservative default HTML5 interval)
             */
            var i;
            if(h5IntervalTimer !== null && !h5TimerCount) {
                // no active timers, stop polling interval.
                clearInterval(h5IntervalTimer);
                h5IntervalTimer = null;
                return false;
            }
            // check all HTML5 sounds with timers
            for(i = sm2.soundIDs.length - 1; i >= 0; i--) {
                if(sm2.sounds[sm2.soundIDs[i]].isHTML5 && sm2.sounds[sm2.soundIDs[i]]._hasTimer) {
                    sm2.sounds[sm2.soundIDs[i]]._onTimer();
                }
            }
        };
        catchError = function(options) {
            options = (options !== _undefined ? options : {});
            if(typeof sm2.onerror === 'function') {
                sm2.onerror.apply(window, [{
                    type: (options.type !== _undefined ? options.type : null)
                }]);
            }
            if(options.fatal !== _undefined && options.fatal) {
                sm2.disable();
            }
        };
        badSafariFix = function() {
            // special case: "bad" Safari (OS X 10.3 - 10.7) must fall back to flash for MP3/MP4
            if(!isBadSafari || !detectFlash()) {
                // doesn't apply
                return false;
            }
            var aF = sm2.audioFormats,
                i, item;
            for(item in aF) {
                if(aF.hasOwnProperty(item)) {
                    if(item === 'mp3' || item === 'mp4') {
                        sm2._wD(sm + ': Using flash fallback for ' + item + ' format');
                        sm2.html5[item] = false;
                        // assign result to related formats, too
                        if(aF[item] && aF[item].related) {
                            for(i = aF[item].related.length - 1; i >= 0; i--) {
                                sm2.html5[aF[item].related[i]] = false;
                            }
                        }
                    }
                }
            }
        };
        /**
         * Pseudo-private flash/ExternalInterface methods
         * ----------------------------------------------
         */
        this._setSandboxType = function(sandboxType) {
            // <d>
            var sb = sm2.sandbox;
            sb.type = sandboxType;
            sb.description = sb.types[(sb.types[sandboxType] !== _undefined ? sandboxType : 'unknown')];
            if(sb.type === 'localWithFile') {
                sb.noRemote = true;
                sb.noLocal = false;
                _wDS('secNote', 2);
            } else if(sb.type === 'localWithNetwork') {
                sb.noRemote = false;
                sb.noLocal = true;
            } else if(sb.type === 'localTrusted') {
                sb.noRemote = false;
                sb.noLocal = false;
            }
            // </d>
        };
        this._externalInterfaceOK = function(swfVersion) {
            // flash callback confirming flash loaded, EI working etc.
            // swfVersion: SWF build string
            if(sm2.swfLoaded) {
                return false;
            }
            var e;
            debugTS('swf', true);
            debugTS('flashtojs', true);
            sm2.swfLoaded = true;
            tryInitOnFocus = false;
            if(isBadSafari) {
                badSafariFix();
            }
            // complain if JS + SWF build/version strings don't match, excluding +DEV builds
            // <d>
            if(!swfVersion || swfVersion.replace(/\+dev/i, '') !== sm2.versionNumber.replace(/\+dev/i, '')) {
                e = sm + ': Fatal: JavaScript file build "' + sm2.versionNumber + '" does not match Flash SWF build "' + swfVersion + '" at ' + sm2.url + '. Ensure both are up-to-date.';
                // escape flash -> JS stack so this error fires in window.
                setTimeout(function versionMismatch() {
                    throw new Error(e);
                }, 0);
                // exit, init will fail with timeout
                return false;
            }
            // </d>
            // IE needs a larger timeout
            setTimeout(init, isIE ? 100 : 1);
        };
        /**
         * Private initialization helpers
         * ------------------------------
         */
        createMovie = function(smID, smURL) {
            if(didAppend && appendSuccess) {
                // ignore if already succeeded
                return false;
            }

            function initMsg() {
                // <d>
                var options = [],
                    title,
                    msg = [],
                    delimiter = ' + ';
                title = 'SoundManager ' + sm2.version + (!sm2.html5Only && sm2.useHTML5Audio ? (sm2.hasHTML5 ? ' + HTML5 audio' : ', no HTML5 audio support') : '');
                if(!sm2.html5Only) {
                    if(sm2.preferFlash) {
                        options.push('preferFlash');
                    }
                    if(sm2.useHighPerformance) {
                        options.push('useHighPerformance');
                    }
                    if(sm2.flashPollingInterval) {
                        options.push('flashPollingInterval (' + sm2.flashPollingInterval + 'ms)');
                    }
                    if(sm2.html5PollingInterval) {
                        options.push('html5PollingInterval (' + sm2.html5PollingInterval + 'ms)');
                    }
                    if(sm2.wmode) {
                        options.push('wmode (' + sm2.wmode + ')');
                    }
                    if(sm2.debugFlash) {
                        options.push('debugFlash');
                    }
                    if(sm2.useFlashBlock) {
                        options.push('flashBlock');
                    }
                } else {
                    if(sm2.html5PollingInterval) {
                        options.push('html5PollingInterval (' + sm2.html5PollingInterval + 'ms)');
                    }
                }
                if(options.length) {
                    msg = msg.concat([options.join(delimiter)]);
                }
                sm2._wD(title + (msg.length ? delimiter + msg.join(', ') : ''), 1);
                showSupport();
                // </d>
            }
            if(sm2.html5Only) {
                // 100% HTML5 mode
                setVersionInfo();
                initMsg();
                sm2.oMC = id(sm2.movieID);
                init();
                // prevent multiple init attempts
                didAppend = true;
                appendSuccess = true;
                return false;
            }
            // flash path
            var remoteURL = (smURL || sm2.url),
                localURL = (sm2.altURL || remoteURL),
                swfTitle = 'JS/Flash audio component (SoundManager 2)',
                oTarget = getDocument(),
                extraClass = getSWFCSS(),
                isRTL = null,
                html = doc.getElementsByTagName('html')[0],
                oEmbed, oMovie, tmp, movieHTML, oEl, s, x, sClass;
            isRTL = (html && html.dir && html.dir.match(/rtl/i));
            smID = (smID === _undefined ? sm2.id : smID);

            function param(name, value) {
                return '<param name="' + name + '" value="' + value + '" />';
            }
            // safety check for legacy (change to Flash 9 URL)
            setVersionInfo();
            sm2.url = normalizeMovieURL(overHTTP ? remoteURL : localURL);
            smURL = sm2.url;
            sm2.wmode = (!sm2.wmode && sm2.useHighPerformance ? 'transparent' : sm2.wmode);
            if(sm2.wmode !== null && (ua.match(/msie 8/i) || (!isIE && !sm2.useHighPerformance)) && navigator.platform.match(/win32|win64/i)) {
                /**
                 * extra-special case: movie doesn't load until scrolled into view when using wmode = anything but 'window' here
                 * does not apply when using high performance (position:fixed means on-screen), OR infinite flash load timeout
                 * wmode breaks IE 8 on Vista + Win7 too in some cases, as of January 2011 (?)
                 */
                messages.push(strings.spcWmode);
                sm2.wmode = null;
            }
            oEmbed = {
                'name': smID,
                'id': smID,
                'src': smURL,
                'quality': 'high',
                'allowScriptAccess': sm2.allowScriptAccess,
                'bgcolor': sm2.bgColor,
                'pluginspage': http + 'www.macromedia.com/go/getflashplayer',
                'title': swfTitle,
                'type': 'application/x-shockwave-flash',
                'wmode': sm2.wmode,
                // http://help.adobe.com/en_US/as3/mobile/WS4bebcd66a74275c36cfb8137124318eebc6-7ffd.html
                'hasPriority': 'true'
            };
            if(sm2.debugFlash) {
                oEmbed.FlashVars = 'debug=1';
            }
            if(!sm2.wmode) {
                // don't write empty attribute
                delete oEmbed.wmode;
            }
            if(isIE) {
                // IE is "special".
                oMovie = doc.createElement('div');
                movieHTML = ['<object id="' + smID + '" data="' + smURL + '" type="' + oEmbed.type + '" title="' + oEmbed.title + '" classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="' + http + 'download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0">',
                    param('movie', smURL),
                    param('AllowScriptAccess', sm2.allowScriptAccess),
                    param('quality', oEmbed.quality), (sm2.wmode ? param('wmode', sm2.wmode) : ''),
                    param('bgcolor', sm2.bgColor),
                    param('hasPriority', 'true'), (sm2.debugFlash ? param('FlashVars', oEmbed.FlashVars) : ''), '</object>'
                ].join('');
            } else {
                oMovie = doc.createElement('embed');
                for(tmp in oEmbed) {
                    if(oEmbed.hasOwnProperty(tmp)) {
                        oMovie.setAttribute(tmp, oEmbed[tmp]);
                    }
                }
            }
            initDebug();
            extraClass = getSWFCSS();
            oTarget = getDocument();
            if(oTarget) {
                sm2.oMC = (id(sm2.movieID) || doc.createElement('div'));
                if(!sm2.oMC.id) {
                    sm2.oMC.id = sm2.movieID;
                    sm2.oMC.className = swfCSS.swfDefault + ' ' + extraClass;
                    s = null;
                    oEl = null;
                    if(!sm2.useFlashBlock) {
                        if(sm2.useHighPerformance) {
                            // on-screen at all times
                            s = {
                                'position': 'fixed',
                                'width': '8px',
                                'height': '8px',
                                // >= 6px for flash to run fast, >= 8px to start up under Firefox/win32 in some cases. odd? yes.
                                'bottom': '0px',
                                'left': '0px',
                                'overflow': 'hidden'
                            };
                        } else {
                            // hide off-screen, lower priority
                            s = {
                                'position': 'absolute',
                                'width': '6px',
                                'height': '6px',
                                'top': '-9999px',
                                'left': '-9999px'
                            };
                            if(isRTL) {
                                s.left = Math.abs(parseInt(s.left, 10)) + 'px';
                            }
                        }
                    }
                    if(isWebkit) {
                        // soundcloud-reported render/crash fix, safari 5
                        sm2.oMC.style.zIndex = 10000;
                    }
                    if(!sm2.debugFlash) {
                        for(x in s) {
                            if(s.hasOwnProperty(x)) {
                                sm2.oMC.style[x] = s[x];
                            }
                        }
                    }
                    try {
                        if(!isIE) {
                            sm2.oMC.appendChild(oMovie);
                        }
                        oTarget.appendChild(sm2.oMC);
                        if(isIE) {
                            oEl = sm2.oMC.appendChild(doc.createElement('div'));
                            oEl.className = swfCSS.swfBox;
                            oEl.innerHTML = movieHTML;
                        }
                        appendSuccess = true;
                    } catch(e) {
                        throw new Error(str('domError') + ' \n' + e.toString());
                    }
                } else {
                    // SM2 container is already in the document (eg. flashblock use case)
                    sClass = sm2.oMC.className;
                    sm2.oMC.className = (sClass ? sClass + ' ' : swfCSS.swfDefault) + (extraClass ? ' ' + extraClass : '');
                    sm2.oMC.appendChild(oMovie);
                    if(isIE) {
                        oEl = sm2.oMC.appendChild(doc.createElement('div'));
                        oEl.className = swfCSS.swfBox;
                        oEl.innerHTML = movieHTML;
                    }
                    appendSuccess = true;
                }
            }
            didAppend = true;
            initMsg();
            // sm2._wD(sm + ': Trying to load ' + smURL + (!overHTTP && sm2.altURL ? ' (alternate URL)' : ''), 1);
            return true;
        };
        initMovie = function() {
            if(sm2.html5Only) {
                createMovie();
                return false;
            }
            // attempt to get, or create, movie (may already exist)
            if(flash) {
                return false;
            }
            if(!sm2.url) {
                /**
                 * Something isn't right - we've reached init, but the soundManager url property has not been set.
                 * User has not called setup({url: ...}), or has not set soundManager.url (legacy use case) directly before init time.
                 * Notify and exit. If user calls setup() with a url: property, init will be restarted as in the deferred loading case.
                 */
                _wDS('noURL');
                return false;
            }
            // inline markup case
            flash = sm2.getMovie(sm2.id);
            if(!flash) {
                if(!oRemoved) {
                    // try to create
                    createMovie(sm2.id, sm2.url);
                } else {
                    // try to re-append removed movie after reboot()
                    if(!isIE) {
                        sm2.oMC.appendChild(oRemoved);
                    } else {
                        sm2.oMC.innerHTML = oRemovedHTML;
                    }
                    oRemoved = null;
                    didAppend = true;
                }
                flash = sm2.getMovie(sm2.id);
            }
            if(typeof sm2.oninitmovie === 'function') {
                setTimeout(sm2.oninitmovie, 1);
            }
            // <d>
            flushMessages();
            // </d>
            return true;
        };
        delayWaitForEI = function() {
            setTimeout(waitForEI, 1000);
        };
        rebootIntoHTML5 = function() {
            // special case: try for a reboot with preferFlash: false, if 100% HTML5 mode is possible and useFlashBlock is not enabled.
            window.setTimeout(function() {
                complain(smc + 'useFlashBlock is false, 100% HTML5 mode is possible. Rebooting with preferFlash: false...');
                sm2.setup({
                    preferFlash: false
                }).reboot();
                // if for some reason you want to detect this case, use an ontimeout() callback and look for html5Only and didFlashBlock == true.
                sm2.didFlashBlock = true;
                sm2.beginDelayedInit();
            }, 1);
        };
        waitForEI = function() {
            var p,
                loadIncomplete = false;
            if(!sm2.url) {
                // No SWF url to load (noURL case) - exit for now. Will be retried when url is set.
                return false;
            }
            if(waitingForEI) {
                return false;
            }
            waitingForEI = true;
            event.remove(window, 'load', delayWaitForEI);
            if(hasFlash && tryInitOnFocus && !isFocused) {
                // Safari won't load flash in background tabs, only when focused.
                _wDS('waitFocus');
                return false;
            }
            if(!didInit) {
                p = sm2.getMoviePercent();
                if(p > 0 && p < 100) {
                    loadIncomplete = true;
                }
            }
            setTimeout(function() {
                p = sm2.getMoviePercent();
                if(loadIncomplete) {
                    // special case: if movie *partially* loaded, retry until it's 100% before assuming failure.
                    waitingForEI = false;
                    sm2._wD(str('waitSWF'));
                    window.setTimeout(delayWaitForEI, 1);
                    return false;
                }
                // <d>
                if(!didInit) {
                    sm2._wD(sm + ': No Flash response within expected time. Likely causes: ' + (p === 0 ? 'SWF load failed, ' : '') + 'Flash blocked or JS-Flash security error.' + (sm2.debugFlash ? ' ' + str('checkSWF') : ''), 2);
                    if(!overHTTP && p) {
                        _wDS('localFail', 2);
                        if(!sm2.debugFlash) {
                            _wDS('tryDebug', 2);
                        }
                    }
                    if(p === 0) {
                        // if 0 (not null), probably a 404.
                        sm2._wD(str('swf404', sm2.url), 1);
                    }
                    debugTS('flashtojs', false, ': Timed out' + overHTTP ? ' (Check flash security or flash blockers)' : ' (No plugin/missing SWF?)');
                }
                // </d>
                // give up / time-out, depending
                if(!didInit && okToDisable) {
                    if(p === null) {
                        // SWF failed to report load progress. Possibly blocked.
                        if(sm2.useFlashBlock || sm2.flashLoadTimeout === 0) {
                            if(sm2.useFlashBlock) {
                                flashBlockHandler();
                            }
                            _wDS('waitForever');
                        } else {
                            // no custom flash block handling, but SWF has timed out. Will recover if user unblocks / allows SWF load.
                            if(!sm2.useFlashBlock && canIgnoreFlash) {
                                rebootIntoHTML5();
                            } else {
                                _wDS('waitForever');
                                // fire any regular registered ontimeout() listeners.
                                processOnEvents({
                                    type: 'ontimeout',
                                    ignoreInit: true,
                                    error: {
                                        type: 'INIT_FLASHBLOCK'
                                    }
                                });
                            }
                        }
                    } else {
                        // SWF loaded? Shouldn't be a blocking issue, then.
                        if(sm2.flashLoadTimeout === 0) {
                            _wDS('waitForever');
                        } else {
                            if(!sm2.useFlashBlock && canIgnoreFlash) {
                                rebootIntoHTML5();
                            } else {
                                failSafely(true);
                            }
                        }
                    }
                }
            }, sm2.flashLoadTimeout);
        };
        handleFocus = function() {
            function cleanup() {
                event.remove(window, 'focus', handleFocus);
            }
            if(isFocused || !tryInitOnFocus) {
                // already focused, or not special Safari background tab case
                cleanup();
                return true;
            }
            okToDisable = true;
            isFocused = true;
            _wDS('gotFocus');
            // allow init to restart
            waitingForEI = false;
            // kick off ExternalInterface timeout, now that the SWF has started
            delayWaitForEI();
            cleanup();
            return true;
        };
        flushMessages = function() {
            // <d>
            // SM2 pre-init debug messages
            if(messages.length) {
                sm2._wD('SoundManager 2: ' + messages.join(' '), 1);
                messages = [];
            }
            // </d>
        };
        showSupport = function() {
            // <d>
            flushMessages();
            var item, tests = [];
            if(sm2.useHTML5Audio && sm2.hasHTML5) {
                for(item in sm2.audioFormats) {
                    if(sm2.audioFormats.hasOwnProperty(item)) {
                        tests.push(item + ' = ' + sm2.html5[item] + (!sm2.html5[item] && needsFlash && sm2.flash[item] ? ' (using flash)' : (sm2.preferFlash && sm2.flash[item] && needsFlash ? ' (preferring flash)' : (!sm2.html5[item] ? ' (' + (sm2.audioFormats[item].required ? 'required, ' : '') + 'and no flash support)' : ''))));
                    }
                }
                sm2._wD('SoundManager 2 HTML5 support: ' + tests.join(', '), 1);
            }
            // </d>
        };
        initComplete = function(bNoDisable) {
            if(didInit) {
                return false;
            }
            if(sm2.html5Only) {
                // all good.
                _wDS('sm2Loaded', 1);
                didInit = true;
                initUserOnload();
                debugTS('onload', true);
                return true;
            }
            var wasTimeout = (sm2.useFlashBlock && sm2.flashLoadTimeout && !sm2.getMoviePercent()),
                result = true,
                error;
            if(!wasTimeout) {
                didInit = true;
            }
            error = {
                type: (!hasFlash && needsFlash ? 'NO_FLASH' : 'INIT_TIMEOUT')
            };
            sm2._wD('SoundManager 2 ' + (disabled ? 'failed to load' : 'loaded') + ' (' + (disabled ? 'Flash security/load error' : 'OK') + ') ' + String.fromCharCode(disabled ? 10006 : 10003), disabled ? 2 : 1);
            if(disabled || bNoDisable) {
                if(sm2.useFlashBlock && sm2.oMC) {
                    sm2.oMC.className = getSWFCSS() + ' ' + (sm2.getMoviePercent() === null ? swfCSS.swfTimedout : swfCSS.swfError);
                }
                processOnEvents({
                    type: 'ontimeout',
                    error: error,
                    ignoreInit: true
                });
                debugTS('onload', false);
                catchError(error);
                result = false;
            } else {
                debugTS('onload', true);
            }
            if(!disabled) {
                if(sm2.waitForWindowLoad && !windowLoaded) {
                    _wDS('waitOnload');
                    event.add(window, 'load', initUserOnload);
                } else {
                    // <d>
                    if(sm2.waitForWindowLoad && windowLoaded) {
                        _wDS('docLoaded');
                    }
                    // </d>
                    initUserOnload();
                }
            }
            return result;
        };
        /**
         * apply top-level setupOptions object as local properties, eg., this.setupOptions.flashVersion -> this.flashVersion (soundManager.flashVersion)
         * this maintains backward compatibility, and allows properties to be defined separately for use by soundManager.setup().
         */
        setProperties = function() {
            var i,
                o = sm2.setupOptions;
            for(i in o) {
                if(o.hasOwnProperty(i)) {
                    // assign local property if not already defined
                    if(sm2[i] === _undefined) {
                        sm2[i] = o[i];
                    } else if(sm2[i] !== o[i]) {
                        // legacy support: write manually-assigned property (eg., soundManager.url) back to setupOptions to keep things in sync
                        sm2.setupOptions[i] = sm2[i];
                    }
                }
            }
        };
        init = function() {
            // called after onload()
            if(didInit) {
                _wDS('didInit');
                return false;
            }

            function cleanup() {
                event.remove(window, 'load', sm2.beginDelayedInit);
            }
            if(sm2.html5Only) {
                if(!didInit) {
                    // we don't need no steenking flash!
                    cleanup();
                    sm2.enabled = true;
                    initComplete();
                }
                return true;
            }
            // flash path
            initMovie();
            try {
                // attempt to talk to Flash
                flash._externalInterfaceTest(false);
                // apply user-specified polling interval, OR, if "high performance" set, faster vs. default polling
                // (determines frequency of whileloading/whileplaying callbacks, effectively driving UI framerates)
                setPolling(true, (sm2.flashPollingInterval || (sm2.useHighPerformance ? 10 : 50)));
                if(!sm2.debugMode) {
                    // stop the SWF from making debug output calls to JS
                    flash._disableDebug();
                }
                sm2.enabled = true;
                debugTS('jstoflash', true);
                if(!sm2.html5Only) {
                    // prevent browser from showing cached page state (or rather, restoring "suspended" page state) via back button, because flash may be dead
                    // http://www.webkit.org/blog/516/webkit-page-cache-ii-the-unload-event/
                    event.add(window, 'unload', doNothing);
                }
            } catch(e) {
                sm2._wD('js/flash exception: ' + e.toString());
                debugTS('jstoflash', false);
                catchError({
                    type: 'JS_TO_FLASH_EXCEPTION',
                    fatal: true
                });
                // don't disable, for reboot()
                failSafely(true);
                initComplete();
                return false;
            }
            initComplete();
            // disconnect events
            cleanup();
            return true;
        };
        domContentLoaded = function() {
            if(didDCLoaded) {
                return false;
            }
            didDCLoaded = true;
            // assign top-level soundManager properties eg. soundManager.url
            setProperties();
            initDebug();
            /**
             * Temporary feature: allow force of HTML5 via URL params: sm2-usehtml5audio=0 or 1
             * Ditto for sm2-preferFlash, too.
             */
            // <d>
            (function() {
                var a = 'sm2-usehtml5audio=',
                    a2 = 'sm2-preferflash=',
                    b = null,
                    b2 = null,
                    l = wl.toLowerCase();
                if(l.indexOf(a) !== -1) {
                    b = (l.charAt(l.indexOf(a) + a.length) === '1');
                    if(hasConsole) {
                        console.log((b ? 'Enabling ' : 'Disabling ') + 'useHTML5Audio via URL parameter');
                    }
                    sm2.setup({
                        'useHTML5Audio': b
                    });
                }
                if(l.indexOf(a2) !== -1) {
                    b2 = (l.charAt(l.indexOf(a2) + a2.length) === '1');
                    if(hasConsole) {
                        console.log((b2 ? 'Enabling ' : 'Disabling ') + 'preferFlash via URL parameter');
                    }
                    sm2.setup({
                        'preferFlash': b2
                    });
                }
            }());
            // </d>
            if(!hasFlash && sm2.hasHTML5) {
                sm2._wD('SoundManager 2: No Flash detected' + (!sm2.useHTML5Audio ? ', enabling HTML5.' : '. Trying HTML5-only mode.'), 1);
                sm2.setup({
                    'useHTML5Audio': true,
                    // make sure we aren't preferring flash, either
                    // TODO: preferFlash should not matter if flash is not installed. Currently, stuff breaks without the below tweak.
                    'preferFlash': false
                });
            }
            testHTML5();
            if(!hasFlash && needsFlash) {
                messages.push(strings.needFlash);
                // TODO: Fatal here vs. timeout approach, etc.
                // hack: fail sooner.
                sm2.setup({
                    'flashLoadTimeout': 1
                });
            }
            if(doc.removeEventListener) {
                doc.removeEventListener('DOMContentLoaded', domContentLoaded, false);
            }
            initMovie();
            return true;
        };
        domContentLoadedIE = function() {
            if(doc.readyState === 'complete') {
                domContentLoaded();
                doc.detachEvent('onreadystatechange', domContentLoadedIE);
            }
            return true;
        };
        winOnLoad = function() {
            // catch edge case of initComplete() firing after window.load()
            windowLoaded = true;
            // catch case where DOMContentLoaded has been sent, but we're still in doc.readyState = 'interactive'
            domContentLoaded();
            event.remove(window, 'load', winOnLoad);
        };
        /**
         * miscellaneous run-time, pre-init stuff
         */
        preInit = function() {
            if(mobileHTML5) {
                // prefer HTML5 for mobile + tablet-like devices, probably more reliable vs. flash at this point.
                // <d>
                if(!sm2.setupOptions.useHTML5Audio || sm2.setupOptions.preferFlash) {
                    // notify that defaults are being changed.
                    messages.push(strings.mobileUA);
                }
                // </d>
                sm2.setupOptions.useHTML5Audio = true;
                sm2.setupOptions.preferFlash = false;
                if(is_iDevice || (isAndroid && !ua.match(/android\s2\.3/i))) {
                    // iOS and Android devices tend to work better with a single audio instance, specifically for chained playback of sounds in sequence.
                    // common use case: exiting sound onfinish() -> createSound() -> play()
                    // <d>
                    messages.push(strings.globalHTML5);
                    // </d>
                    if(is_iDevice) {
                        sm2.ignoreFlash = true;
                    }
                    useGlobalHTML5Audio = true;
                }
            }
        };
        preInit();
        // sniff up-front
        detectFlash();
        // focus and window load, init (primarily flash-driven)
        event.add(window, 'focus', handleFocus);
        event.add(window, 'load', delayWaitForEI);
        event.add(window, 'load', winOnLoad);
        if(doc.addEventListener) {
            doc.addEventListener('DOMContentLoaded', domContentLoaded, false);
        } else if(doc.attachEvent) {
            doc.attachEvent('onreadystatechange', domContentLoadedIE);
        } else {
            // no add/attachevent support - safe to assume no JS -> Flash either
            debugTS('onload', false);
            catchError({
                type: 'NO_DOM2_EVENTS',
                fatal: true
            });
        }
    } // SoundManager()
    // SM2_DEFER details: http://www.schillmania.com/projects/soundmanager2/doc/getstarted/#lazy-loading
    if(window.SM2_DEFER === undefined || !SM2_DEFER) {
        soundManager = new SoundManager();
    }
    /**
     * SoundManager public interfaces
     * ------------------------------
     */
    if(typeof module === 'object' && module && typeof module.exports === 'object') {
        /**
         * commonJS module
         * note: SM2 requires a window global due to Flash, which makes calls to window.soundManager.
         * flash may not always be needed, but this is not known until async init and SM2 may even "reboot" into Flash mode.
         */
        window.soundManager = soundManager;
        module.exports.SoundManager = SoundManager;
        module.exports.soundManager = soundManager;
    } else if(typeof define === 'function' && define.amd) {
        // AMD - requireJS
        define('SoundManager', [], function() {
            return {
                SoundManager: SoundManager,
                soundManager: soundManager
            };
        });
    } else {
        // standard browser case
        window.SoundManager = SoundManager; // constructor
        window.soundManager = soundManager; // public API, flash callbacks etc.
    }
}(window));